318919412 has 12 divisors (see below), whose sum is σ = 637838880. Its totient is φ = 136679736.

The previous prime is 318919343. The next prime is 318919417. The reversal of 318919412 is 214919813.

318919412 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318919417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5694962 + ... + 5695017.

It is an arithmetic number, because the mean of its divisors is an integer number (53153240).

Almost surely, 2^318919412 is an apocalyptic number.

It is an amenable number.

318919412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

318919412 is a wasteful number, since it uses less digits than its factorization.

318919412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11389990 (or 11389988 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 318919412 is about 17858.3149261066. The cubic root of 318919412 is about 683.2196023029.

The spelling of 318919412 in words is "three hundred eighteen million, nine hundred nineteen thousand, four hundred twelve".