2315397 has 24 divisors (see below), whose sum is σ = 3784800. Its totient is φ = 1251936.

The previous prime is 2315371. The next prime is 2315399. The reversal of 2315397 is 7935132.

It is not a de Polignac number, because 2315397 - 2⁸ = 2315141 is a prime.

It is a super-2 number, since 2×2315397² = 10722126535218, which contains 22 as substring.

2315397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2379 + ... + 3207.

It is an arithmetic number, because the mean of its divisors is an integer number (157700).

2^2315397 is an apocalyptic number.

It is an amenable number.

2315397 is a deficient number, since it is larger than the sum of its proper divisors (1469403).

2315397 is a wasteful number, since it uses less digits than its factorization.

2315397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 858 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 2315397 is about 1521.6428621723. The cubic root of 2315397 is about 132.2945100043.

The spelling of 2315397 in words is "two million, three hundred fifteen thousand, three hundred ninety-seven".