316426985 has 16 divisors (see below), whose sum is σ = 452825856. Its totient is φ = 207544128.

The previous prime is 316426973. The next prime is 316426991. The reversal of 316426985 is 589624613.

It is a cyclic number.

It is not a de Polignac number, because 316426985 - 2²⁰ = 315378409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195734 + ... + 197343.

It is an arithmetic number, because the mean of its divisors is an integer number (28301616).

Almost surely, 2^316426985 is an apocalyptic number.

316426985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

316426985 is a deficient number, since it is larger than the sum of its proper divisors (136398871).

316426985 is a wasteful number, since it uses less digits than its factorization.

316426985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393112.

The product of its digits is 311040, while the sum is 44.

The square root of 316426985 is about 17788.3946718078. The cubic root of 316426985 is about 681.4351071209.

The spelling of 316426985 in words is "three hundred sixteen million, four hundred twenty-six thousand, nine hundred eighty-five".