345647204 has 12 divisors (see below), whose sum is σ = 691294464. Its totient is φ = 148134504.

The previous prime is 345647177. The next prime is 345647207. The reversal of 345647204 is 402746543.

345647204 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (345647207) by changing a digit.

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, 6172244 + ... + 6172299.

It is an arithmetic number, because the mean of its divisors is an integer number (57607872).

Almost surely, 2^345647204 is an apocalyptic number.

It is an amenable number.

345647204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

345647204 is a wasteful number, since it uses less digits than its factorization.

345647204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344554 (or 12344552 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 345647204 is about 18591.5896039042. The cubic root of 345647204 is about 701.7962060252.

The spelling of 345647204 in words is "three hundred forty-five million, six hundred forty-seven thousand, two hundred four".