2315908 has 24 divisors (see below), whose sum is σ = 4681152. Its totient is φ = 981984.

The previous prime is 2315903. The next prime is 2315947. The reversal of 2315908 is 8095132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2315903) 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, 2610 + ... + 3382.

It is an arithmetic number, because the mean of its divisors is an integer number (195048).

2^2315908 is an apocalyptic number.

2315908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2315908 is an abundant number, since it is smaller than the sum of its proper divisors (2365244).

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

2315908 is a wasteful number, since it uses less digits than its factorization.

2315908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2315908 is about 1521.8107635314. The cubic root of 2315908 is about 132.3042415999.

It can be divided in two parts, 2315 and 908, that added together give a palindrome (3223).

The spelling of 2315908 in words is "two million, three hundred fifteen thousand, nine hundred eight".