346445136 has 120 divisors (see below), whose sum is σ = 1046897280. Its totient is φ = 106622208.

The previous prime is 346445093. The next prime is 346445167. The reversal of 346445136 is 631544643.

346445136 is a `hidden beast` number, since 3 + 4 + 644 + 5 + 1 + 3 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 346445136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94245 + ... + 97851.

It is an arithmetic number, because the mean of its divisors is an integer number (8724144).

Almost surely, 2^346445136 is an apocalyptic number.

346445136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346445136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523448640).

346445136 is an abundant number, since it is smaller than the sum of its proper divisors (700452144).

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

346445136 is a wasteful number, since it uses less digits than its factorization.

346445136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673 (or 3664 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 346445136 is about 18613.0367216099. The cubic root of 346445136 is about 702.3358268521.

Adding to 346445136 its reverse (631544643), we get a palindrome (977989779).

The spelling of 346445136 in words is "three hundred forty-six million, four hundred forty-five thousand, one hundred thirty-six".