313764891 has 32 divisors (see below), whose sum is σ = 480211200. Its totient is φ = 180458880.

The previous prime is 313764887. The next prime is 313764901. The reversal of 313764891 is 198467313.

It is not a de Polignac number, because 313764891 - 2² = 313764887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313764811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53685 + ... + 59241.

It is an arithmetic number, because the mean of its divisors is an integer number (15006600).

Almost surely, 2^313764891 is an apocalyptic number.

313764891 is a deficient number, since it is larger than the sum of its proper divisors (166446309).

313764891 is a wasteful number, since it uses less digits than its factorization.

313764891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659.

The product of its digits is 108864, while the sum is 42.

The square root of 313764891 is about 17713.4099201707. The cubic root of 313764891 is about 679.5187562403.

The spelling of 313764891 in words is "three hundred thirteen million, seven hundred sixty-four thousand, eight hundred ninety-one".