349974056 has 16 divisors (see below), whose sum is σ = 656408340. Its totient is φ = 174931840.

The previous prime is 349974047. The next prime is 349974089. The reversal of 349974056 is 650479943.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 318051556 + 31922500 = 17834^2 + 5650^2 .

It is a super-2 number, since 2×349974056² = 244963679746182272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349974056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35066 + ... + 43926.

Almost surely, 2^349974056 is an apocalyptic number.

It is an amenable number.

349974056 is a deficient number, since it is larger than the sum of its proper divisors (306434284).

349974056 is a wasteful number, since it uses less digits than its factorization.

349974056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13804 (or 13800 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 349974056 is about 18707.5935384538. The cubic root of 349974056 is about 704.7124599078.

The spelling of 349974056 in words is "three hundred forty-nine million, nine hundred seventy-four thousand, fifty-six".