316677921 has 32 divisors (see below), whose sum is σ = 537845760. Its totient is φ = 161346816.

The previous prime is 316677877. The next prime is 316677923. The reversal of 316677921 is 129776613.

It is not a de Polignac number, because 316677921 - 2¹⁴ = 316661537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316677923) 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, 16561 + ... + 30126.

It is an arithmetic number, because the mean of its divisors is an integer number (16807680).

Almost surely, 2^316677921 is an apocalyptic number.

It is an amenable number.

316677921 is a deficient number, since it is larger than the sum of its proper divisors (221167839).

316677921 is a wasteful number, since it uses less digits than its factorization.

316677921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46733.

The product of its digits is 95256, while the sum is 42.

The square root of 316677921 is about 17795.4466367102. The cubic root of 316677921 is about 681.6151922867.

The spelling of 316677921 in words is "three hundred sixteen million, six hundred seventy-seven thousand, nine hundred twenty-one".