346309344 has 240 divisors, whose sum is σ = 1098443808. Its totient is φ = 106748928.

The previous prime is 346309343. The next prime is 346309349. The reversal of 346309344 is 443903643.

It is a happy number.

346309344 is a `hidden beast` number, since 3 + 4 + 6 + 309 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 346309299 and 346309308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346309343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2205714 + ... + 2205870.

Almost surely, 2^346309344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346309344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549221904).

346309344 is an abundant number, since it is smaller than the sum of its proper divisors (752134464).

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

346309344 is a wasteful number, since it uses less digits than its factorization.

346309344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 346309344 is about 18609.3885982318. The cubic root of 346309344 is about 702.2440527731.

The spelling of 346309344 in words is "three hundred forty-six million, three hundred nine thousand, three hundred forty-four".