2315304 has 56 divisors (see below), whose sum is σ = 6525210. Its totient is φ = 769824.

The previous prime is 2315263. The next prime is 2315317. The reversal of 2315304 is 4035132.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 492804 = 1350^2 + 702^2 .

It is a super-2 number, since 2×2315304² = 10721265224832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5634 + ... + 6030.

2^2315304 is an apocalyptic number.

2315304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3262605).

2315304 is an abundant number, since it is smaller than the sum of its proper divisors (4209906).

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

2315304 is an equidigital number, since it uses as much as digits as its factorization.

2315304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2315304 is about 1521.6123027894. The cubic root of 2315304 is about 132.2927387379.

The spelling of 2315304 in words is "two million, three hundred fifteen thousand, three hundred four".