315085974 has 64 divisors (see below), whose sum is σ = 738854400. Its totient is φ = 89540640.

The previous prime is 315085951. The next prime is 315085997. The reversal of 315085974 is 479580513.

It is an interprime number because it is at equal distance from previous prime (315085951) and next prime (315085997).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582144 + ... + 582684.

It is an arithmetic number, because the mean of its divisors is an integer number (11544600).

Almost surely, 2^315085974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315085974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369427200).

315085974 is an abundant number, since it is smaller than the sum of its proper divisors (423768426).

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

315085974 is a wasteful number, since it uses less digits than its factorization.

315085974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 315085974 is about 17750.6612271205. The cubic root of 315085974 is about 680.4711080825.

The spelling of 315085974 in words is "three hundred fifteen million, eighty-five thousand, nine hundred seventy-four".