346690368 has 70 divisors (see below), whose sum is σ = 1027714226. Its totient is φ = 115561728.

The previous prime is 346690363. The next prime is 346690423. The reversal of 346690368 is 863096643.

It can be written as a sum of positive squares in only one way, i.e., 195105024 + 151585344 = 13968^2 + 12312^2 .

It is a super-2 number, since 2×346690368² = 240388422527950848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346690363) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28255 + ... + 38622.

Almost surely, 2^346690368 is an apocalyptic number.

It is an amenable number.

346690368 is an abundant number, since it is smaller than the sum of its proper divisors (681023858).

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

346690368 is an equidigital number, since it uses as much as digits as its factorization.

346690368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66901 (or 66882 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 346690368 is about 18619.6231970467. The cubic root of 346690368 is about 702.5015044526.

The spelling of 346690368 in words is "three hundred forty-six million, six hundred ninety thousand, three hundred sixty-eight".