312938874 has 48 divisors (see below), whose sum is σ = 709929792. Its totient is φ = 99437184.

The previous prime is 312938869. The next prime is 312938881. The reversal of 312938874 is 478839213.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138397 + ... + 140639.

It is an arithmetic number, because the mean of its divisors is an integer number (14790204).

Almost surely, 2^312938874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312938874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354964896).

312938874 is an abundant number, since it is smaller than the sum of its proper divisors (396990918).

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

312938874 is a wasteful number, since it uses less digits than its factorization.

312938874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611 (or 2608 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 312938874 is about 17690.0784057053. The cubic root of 312938874 is about 678.9219321679.

The spelling of 312938874 in words is "three hundred twelve million, nine hundred thirty-eight thousand, eight hundred seventy-four".