313485992 has 8 divisors (see below), whose sum is σ = 587786250. Its totient is φ = 156742992.

The previous prime is 313485979. The next prime is 313486049. The reversal of 313485992 is 299584313.

It can be written as a sum of positive squares in only one way, i.e., 305340676 + 8145316 = 17474^2 + 2854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19592867 + ... + 19592882.

Almost surely, 2^313485992 is an apocalyptic number.

It is an amenable number.

313485992 is a deficient number, since it is larger than the sum of its proper divisors (274300258).

313485992 is a wasteful number, since it uses less digits than its factorization.

313485992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39185755 (or 39185751 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 313485992 is about 17705.5356315476. The cubic root of 313485992 is about 679.3173599216.

The spelling of 313485992 in words is "three hundred thirteen million, four hundred eighty-five thousand, nine hundred ninety-two".