2315928 has 16 divisors (see below), whose sum is σ = 5789880. Its totient is φ = 771968.

The previous prime is 2315903. The next prime is 2315947. The reversal of 2315928 is 8295132.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2315895 and 2315904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48225 + ... + 48272.

2^2315928 is an apocalyptic number.

It is an amenable number.

2315928 is an abundant number, since it is smaller than the sum of its proper divisors (3473952).

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

2315928 is a wasteful number, since it uses less digits than its factorization.

2315928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96506 (or 96502 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 2315928 is about 1521.8173346365. The cubic root of 2315928 is about 132.3046224552.

It can be divided in two parts, 23 and 15928, that added together give a palindrome (15951).

The spelling of 2315928 in words is "two million, three hundred fifteen thousand, nine hundred twenty-eight".