316402086 has 128 divisors (see below), whose sum is σ = 858009600. Its totient is φ = 75116160.

The previous prime is 316402081. The next prime is 316402091. The reversal of 316402086 is 680204613.

It is an interprime number because it is at equal distance from previous prime (316402081) and next prime (316402091).

It is a super-2 number, since 2×316402086² = 200220560050302792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316402081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 834645 + ... + 835023.

It is an arithmetic number, because the mean of its divisors is an integer number (6703200).

Almost surely, 2^316402086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316402086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429004800).

316402086 is an abundant number, since it is smaller than the sum of its proper divisors (541607514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316402086 is a wasteful number, since it uses less digits than its factorization.

316402086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 316402086 is about 17787.6947916249. The cubic root of 316402086 is about 681.4172330683.

Adding to 316402086 its reverse (680204613), we get a palindrome (996606699).

The spelling of 316402086 in words is "three hundred sixteen million, four hundred two thousand, eighty-six".