349175656 has 8 divisors (see below), whose sum is σ = 654704370. Its totient is φ = 174587824.

The previous prime is 349175647. The next prime is 349175663. The reversal of 349175656 is 656571943.

It can be written as a sum of positive squares in only one way, i.e., 312087556 + 37088100 = 17666^2 + 6090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 21823471 + ... + 21823486.

Almost surely, 2^349175656 is an apocalyptic number.

It is an amenable number.

349175656 is a deficient number, since it is larger than the sum of its proper divisors (305528714).

349175656 is a wasteful number, since it uses less digits than its factorization.

349175656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43646963 (or 43646959 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The square root of 349175656 is about 18686.2424259132. The cubic root of 349175656 is about 704.1761622254.

The spelling of 349175656 in words is "three hundred forty-nine million, one hundred seventy-five thousand, six hundred fifty-six".