312495216 has 40 divisors (see below), whose sum is σ = 880669824. Its totient is φ = 94695360.

The previous prime is 312495203. The next prime is 312495217. The reversal of 312495216 is 612594213.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312495217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295396 + ... + 296451.

Almost surely, 2^312495216 is an apocalyptic number.

It is an amenable number.

312495216 is an abundant number, since it is smaller than the sum of its proper divisors (568174608).

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

312495216 is a wasteful number, since it uses less digits than its factorization.

312495216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591869 (or 591863 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 312495216 is about 17677.5342171922. The cubic root of 312495216 is about 678.6009412580.

The spelling of 312495216 in words is "three hundred twelve million, four hundred ninety-five thousand, two hundred sixteen".