396645304 has 32 divisors (see below), whose sum is σ = 846599040. Its totient is φ = 172453600.

The previous prime is 396645283. The next prime is 396645313. The reversal of 396645304 is 403546693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95962 + ... + 100009.

It is an arithmetic number, because the mean of its divisors is an integer number (26456220).

Almost surely, 2^396645304 is an apocalyptic number.

It is an amenable number.

396645304 is an abundant number, since it is smaller than the sum of its proper divisors (449953736).

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

396645304 is a wasteful number, since it uses less digits than its factorization.

396645304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196011 (or 196007 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 396645304 is about 19915.9560152155. The cubic root of 396645304 is about 734.7407134536.

The spelling of 396645304 in words is "three hundred ninety-six million, six hundred forty-five thousand, three hundred four".