312493752 has 24 divisors (see below), whose sum is σ = 846337440. Its totient is φ = 104164560.

The previous prime is 312493751. The next prime is 312493793. The reversal of 312493752 is 257394213.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312493751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2170024 + ... + 2170167.

It is an arithmetic number, because the mean of its divisors is an integer number (35264060).

Almost surely, 2^312493752 is an apocalyptic number.

It is an amenable number.

312493752 is an abundant number, since it is smaller than the sum of its proper divisors (533843688).

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

312493752 is a wasteful number, since it uses less digits than its factorization.

312493752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340203 (or 4340196 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 312493752 is about 17677.4928086536. The cubic root of 312493752 is about 678.5998815369.

The spelling of 312493752 in words is "three hundred twelve million, four hundred ninety-three thousand, seven hundred fifty-two".