312195852 has 36 divisors (see below), whose sum is σ = 789896016. Its totient is φ = 103968480.

The previous prime is 312195847. The next prime is 312195883. The reversal of 312195852 is 258591213.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42577 + ... + 49367.

It is an arithmetic number, because the mean of its divisors is an integer number (21941556).

Almost surely, 2^312195852 is an apocalyptic number.

It is an amenable number.

312195852 is an abundant number, since it is smaller than the sum of its proper divisors (477700164).

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

312195852 is a wasteful number, since it uses less digits than its factorization.

312195852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8073 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 312195852 is about 17669.0648309411. The cubic root of 312195852 is about 678.3841767690.

The spelling of 312195852 in words is "three hundred twelve million, one hundred ninety-five thousand, eight hundred fifty-two".