312328 has 8 divisors (see below), whose sum is σ = 585630. Its totient is φ = 156160.

The previous prime is 312313. The next prime is 312331. The reversal of 312328 is 823213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 116964 = 442^2 + 342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19513 + ... + 19528.

2³¹²³²⁸ is an apocalyptic number.

It is an amenable number.

312328 is a deficient number, since it is larger than the sum of its proper divisors (273302).

312328 is a wasteful number, since it uses less digits than its factorization.

312328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39047 (or 39043 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 312328 is about 558.8631317237. The cubic root of 312328 is about 67.8479880012.

The spelling of 312328 in words is "three hundred twelve thousand, three hundred twenty-eight".