312402 has 8 divisors (see below), whose sum is σ = 624816. Its totient is φ = 104132.

The previous prime is 312401. The next prime is 312407. The reversal of 312402 is 204213.

It is a sphenic number, since it is the product of 3 distinct primes.

312402 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312402.

It is not an unprimeable number, because it can be changed into a prime (312401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26028 + ... + 26039.

It is an arithmetic number, because the mean of its divisors is an integer number (78102).

2³¹²⁴⁰² is an apocalyptic number.

312402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312402 is a wasteful number, since it uses less digits than its factorization.

312402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52072.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 312402 is about 558.9293336371. The cubic root of 312402 is about 67.8533459952.

Adding to 312402 its reverse (204213), we get a palindrome (516615).

The spelling of 312402 in words is "three hundred twelve thousand, four hundred two", and thus it is an iban number.