313645604 has 6 divisors (see below), whose sum is σ = 548879814. Its totient is φ = 156822800.

The previous prime is 313645603. The next prime is 313645621. The reversal of 313645604 is 406546313.

It can be written as a sum of positive squares in only one way, i.e., 216031204 + 97614400 = 14698^2 + 9880^2 .

It is not an unprimeable number, because it can be changed into a prime (313645601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39205697 + ... + 39205704.

It is an arithmetic number, because the mean of its divisors is an integer number (91479969).

Almost surely, 2^313645604 is an apocalyptic number.

It is an amenable number.

313645604 is a deficient number, since it is larger than the sum of its proper divisors (235234210).

313645604 is a wasteful number, since it uses less digits than its factorization.

313645604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78411405 (or 78411403 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 313645604 is about 17710.0424618350. The cubic root of 313645604 is about 679.4326322766.

The spelling of 313645604 in words is "three hundred thirteen million, six hundred forty-five thousand, six hundred four".