312346664 has 16 divisors (see below), whose sum is σ = 669314400. Its totient is φ = 133862832.

The previous prime is 312346621. The next prime is 312346667. The reversal of 312346664 is 466643213.

It is not an unprimeable number, because it can be changed into a prime (312346667) 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, 2788754 + ... + 2788865.

It is an arithmetic number, because the mean of its divisors is an integer number (41832150).

Almost surely, 2^312346664 is an apocalyptic number.

It is an amenable number.

312346664 is an abundant number, since it is smaller than the sum of its proper divisors (356967736).

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

312346664 is a wasteful number, since it uses less digits than its factorization.

312346664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577632 (or 5577628 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 312346664 is about 17673.3320005029. The cubic root of 312346664 is about 678.4933945396.

Adding to 312346664 its reverse (466643213), we get a palindrome (778989877).

The spelling of 312346664 in words is "three hundred twelve million, three hundred forty-six thousand, six hundred sixty-four".