313956789 has 16 divisors (see below), whose sum is σ = 427341312. Its totient is φ = 204954048.

The previous prime is 313956781. The next prime is 313956793. The reversal of 313956789 is 987659313.

It is not a de Polignac number, because 313956789 - 2³ = 313956781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313956781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94887 + ... + 98139.

It is an arithmetic number, because the mean of its divisors is an integer number (26708832).

Almost surely, 2^313956789 is an apocalyptic number.

It is an amenable number.

313956789 is a deficient number, since it is larger than the sum of its proper divisors (113384523).

313956789 is a wasteful number, since it uses less digits than its factorization.

313956789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916.

The product of its digits is 1224720, while the sum is 51.

The square root of 313956789 is about 17718.8258358165. The cubic root of 313956789 is about 679.6572587935.

The spelling of 313956789 in words is "three hundred thirteen million, nine hundred fifty-six thousand, seven hundred eighty-nine".