2315320 has 32 divisors (see below), whose sum is σ = 5954400. Its totient is φ = 793728.

The previous prime is 2315317. The next prime is 2315329. The reversal of 2315320 is 235132.

It is a junction number, because it is equal to n+sod(n) for n = 2315294 and 2315303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855 + ... + 4414.

It is an arithmetic number, because the mean of its divisors is an integer number (186075).

2^2315320 is an apocalyptic number.

2315320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315320 is an abundant number, since it is smaller than the sum of its proper divisors (3639080).

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

2315320 is a wasteful number, since it uses less digits than its factorization.

2315320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287 (or 8283 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2315320 is about 1521.6175603613. The cubic root of 2315320 is about 132.2930434753.

The spelling of 2315320 in words is "two million, three hundred fifteen thousand, three hundred twenty".