2315912 has 8 divisors (see below), whose sum is σ = 4342350. Its totient is φ = 1157952.

The previous prime is 2315903. The next prime is 2315947. The reversal of 2315912 is 2195132.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 23716 = 1514^2 + 154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144737 + ... + 144752.

2^2315912 is an apocalyptic number.

It is an amenable number.

2315912 is a deficient number, since it is larger than the sum of its proper divisors (2026438).

2315912 is a wasteful number, since it uses less digits than its factorization.

2315912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289495 (or 289491 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 2315912 is about 1521.8120777547. The cubic root of 2315912 is about 132.3043177711.

The spelling of 2315912 in words is "two million, three hundred fifteen thousand, nine hundred twelve".