312604859 has 6 divisors (see below), whose sum is σ = 363642444. Its totient is φ = 267946980.

The previous prime is 312604847. The next prime is 312604871. The reversal of 312604859 is 958406213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312604847) and next prime (312604871).

It is not a de Polignac number, because 312604859 - 2⁴ = 312604843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312604829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3189797 + ... + 3189894.

It is an arithmetic number, because the mean of its divisors is an integer number (60607074).

Almost surely, 2^312604859 is an apocalyptic number.

312604859 is a deficient number, since it is larger than the sum of its proper divisors (51037585).

312604859 is an equidigital number, since it uses as much as digits as its factorization.

312604859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379705 (or 6379698 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 312604859 is about 17680.6351413064. The cubic root of 312604859 is about 678.6802972919.

The spelling of 312604859 in words is "three hundred twelve million, six hundred four thousand, eight hundred fifty-nine".