312916938 has 8 divisors (see below), whose sum is σ = 625833888. Its totient is φ = 104305644.

The previous prime is 312916937. The next prime is 312916973. The reversal of 312916938 is 839619213.

It is a sphenic number, since it is the product of 3 distinct primes.

312916938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 312916938.

It is not an unprimeable number, because it can be changed into a prime (312916937) 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, 26076406 + ... + 26076417.

It is an arithmetic number, because the mean of its divisors is an integer number (78229236).

Almost surely, 2^312916938 is an apocalyptic number.

312916938 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.

312916938 is a wasteful number, since it uses less digits than its factorization.

312916938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52152828.

The product of its digits is 69984, while the sum is 42.

The square root of 312916938 is about 17689.4583862819. The cubic root of 312916938 is about 678.9060683888.

The spelling of 312916938 in words is "three hundred twelve million, nine hundred sixteen thousand, nine hundred thirty-eight".