346993904 has 10 divisors (see below), whose sum is σ = 672300720. Its totient is φ = 173496944.

The previous prime is 346993891. The next prime is 346993937. The reversal of 346993904 is 409399643.

It is a happy number.

It is a super-2 number, since 2×346993904² = 240809538826322432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10843544 + ... + 10843575.

It is an arithmetic number, because the mean of its divisors is an integer number (67230072).

Almost surely, 2^346993904 is an apocalyptic number.

It is an amenable number.

346993904 is a deficient number, since it is larger than the sum of its proper divisors (325306816).

346993904 is a wasteful number, since it uses less digits than its factorization.

346993904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21687127 (or 21687121 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 346993904 is about 18627.7723842654. The cubic root of 346993904 is about 702.7064638014.

The spelling of 346993904 in words is "three hundred forty-six million, nine hundred ninety-three thousand, nine hundred four".