349639372 has 12 divisors (see below), whose sum is σ = 614079760. Its totient is φ = 174188016.

The previous prime is 349639363. The next prime is 349639397. The reversal of 349639372 is 273936943.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156672 + ... + 158887.

Almost surely, 2^349639372 is an apocalyptic number.

It is an amenable number.

349639372 is a deficient number, since it is larger than the sum of its proper divisors (264440388).

349639372 is a wasteful number, since it uses less digits than its factorization.

349639372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315840 (or 315838 counting only the distinct ones).

The product of its digits is 734832, while the sum is 46.

The square root of 349639372 is about 18698.6462611602. The cubic root of 349639372 is about 704.4877468615.

The spelling of 349639372 in words is "three hundred forty-nine million, six hundred thirty-nine thousand, three hundred seventy-two".