347120816 has 20 divisors (see below), whose sum is σ = 768624912. Its totient is φ = 148766016.

The previous prime is 347120779. The next prime is 347120821. The reversal of 347120816 is 618021743.

347120816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549535 + ... + 1549758.

Almost surely, 2^347120816 is an apocalyptic number.

It is an amenable number.

347120816 is an abundant number, since it is smaller than the sum of its proper divisors (421504096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

347120816 is a wasteful number, since it uses less digits than its factorization.

347120816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099308 (or 3099302 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 347120816 is about 18631.1785993265. The cubic root of 347120816 is about 702.7921242998.

The spelling of 347120816 in words is "three hundred forty-seven million, one hundred twenty thousand, eight hundred sixteen".