313909492 has 12 divisors (see below), whose sum is σ = 591598756. Its totient is φ = 144881280.

The previous prime is 313909487. The next prime is 313909499. The reversal of 313909492 is 294909313.

It can be written as a sum of positive squares in 2 ways, for example, as 131010916 + 182898576 = 11446^2 + 13524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313909499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018309 + ... + 3018412.

Almost surely, 2^313909492 is an apocalyptic number.

It is an amenable number.

313909492 is a deficient number, since it is larger than the sum of its proper divisors (277689264).

313909492 is a wasteful number, since it uses less digits than its factorization.

313909492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036738 (or 6036736 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 313909492 is about 17717.4911316473. The cubic root of 313909492 is about 679.6231273834.

The spelling of 313909492 in words is "three hundred thirteen million, nine hundred nine thousand, four hundred ninety-two".