349576172 has 24 divisors (see below), whose sum is σ = 696390912. Its totient is φ = 151989200.

The previous prime is 349576159. The next prime is 349576207. The reversal of 349576172 is 271675943.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171704 + ... + 173727.

It is an arithmetic number, because the mean of its divisors is an integer number (29016288).

Almost surely, 2^349576172 is an apocalyptic number.

It is an amenable number.

349576172 is a deficient number, since it is larger than the sum of its proper divisors (346814740).

349576172 is a wasteful number, since it uses less digits than its factorization.

349576172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345469 (or 345467 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 349576172 is about 18696.9562228722. The cubic root of 349576172 is about 704.4452971146.

The spelling of 349576172 in words is "three hundred forty-nine million, five hundred seventy-six thousand, one hundred seventy-two".