316491970 has 16 divisors (see below), whose sum is σ = 569965248. Its totient is φ = 126534640.

The previous prime is 316491919. The next prime is 316491977. The reversal of 316491970 is 79194613.

It is not an unprimeable number, because it can be changed into a prime (316491977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17547 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (35622828).

Almost surely, 2^316491970 is an apocalyptic number.

316491970 is a deficient number, since it is larger than the sum of its proper divisors (253473278).

316491970 is a wasteful number, since it uses less digits than its factorization.

316491970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 316491970 is about 17790.2211903056. The cubic root of 316491970 is about 681.4817529838.

The spelling of 316491970 in words is "three hundred sixteen million, four hundred ninety-one thousand, nine hundred seventy".