312764 has 6 divisors (see below), whose sum is σ = 547344. Its totient is φ = 156380.

The previous prime is 312757. The next prime is 312773. The reversal of 312764 is 467213.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312764.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39092 + ... + 39099.

It is an arithmetic number, because the mean of its divisors is an integer number (91224).

2³¹²⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

312764 is a deficient number, since it is larger than the sum of its proper divisors (234580).

312764 is a wasteful number, since it uses less digits than its factorization.

312764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78195 (or 78193 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 312764 is about 559.2530733040. The cubic root of 312764 is about 67.8795445362.

Adding to 312764 its reverse (467213), we get a palindrome (779977).

Subtracting 312764 from its reverse (467213), we obtain a square (154449 = 393²).

The spelling of 312764 in words is "three hundred twelve thousand, seven hundred sixty-four".