346996350 has 144 divisors (see below), whose sum is σ = 1003315248. Its totient is φ = 85662720.

The previous prime is 346996343. The next prime is 346996381. The reversal of 346996350 is 53699643.

346996350 = 353² + 354² + ... + 1027².

It is a happy number.

346996350 is a `hidden beast` number, since 3 + 4 + 6 + 9 + 9 + 635 + 0 = 666.

346996350 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 346996296 and 346996305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 512212 + ... + 512888.

It is an arithmetic number, because the mean of its divisors is an integer number (6967467).

Almost surely, 2^346996350 is an apocalyptic number.

346996350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 346996350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501657624).

346996350 is an abundant number, since it is smaller than the sum of its proper divisors (656318898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346996350 is a wasteful number, since it uses less digits than its factorization.

346996350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The square root of 346996350 is about 18627.8380388063. The cubic root of 346996350 is about 702.7081149505.

The spelling of 346996350 in words is "three hundred forty-six million, nine hundred ninety-six thousand, three hundred fifty".