2315444 has 6 divisors (see below), whose sum is σ = 4052034. Its totient is φ = 1157720.

The previous prime is 2315413. The next prime is 2315461. The reversal of 2315444 is 4445132.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 35344 = 1510^2 + 188^2 .

It is a super-2 number, since 2×2315444² = 10722561834272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289427 + ... + 289434.

It is an arithmetic number, because the mean of its divisors is an integer number (675339).

2^2315444 is an apocalyptic number.

It is an amenable number.

2315444 is a deficient number, since it is larger than the sum of its proper divisors (1736590).

2315444 is a wasteful number, since it uses less digits than its factorization.

2315444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578865 (or 578863 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 2315444 is about 1521.6583059281. The cubic root of 2315444 is about 132.2954051423.

The spelling of 2315444 in words is "two million, three hundred fifteen thousand, four hundred forty-four".