312634 has 16 divisors (see below), whose sum is σ = 543168. Its totient is φ = 132192.

The previous prime is 312623. The next prime is 312643. The reversal of 312634 is 436213.

It is a super-4 number, since 4×312634⁴ (a number of 23 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (33948).

2³¹²⁶³⁴ is an apocalyptic number.

312634 is a deficient number, since it is larger than the sum of its proper divisors (230534).

312634 is a wasteful number, since it uses less digits than its factorization.

312634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its digits is 432, while the sum is 19.

The square root of 312634 is about 559.1368347730. The cubic root of 312634 is about 67.8701385478.

Adding to 312634 its reverse (436213), we get a palindrome (748847).

It can be divided in two parts, 3126 and 34, that added together give a triangular number (3160 = T₇₉).

The spelling of 312634 in words is "three hundred twelve thousand, six hundred thirty-four".