2313856 has 16 divisors (see below), whose sum is σ = 4609890. Its totient is φ = 1156864.

The previous prime is 2313851. The next prime is 2313889. The reversal of 2313856 is 6583132.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 968256 = 1160^2 + 984^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 3⁶ + 1 + 3⁸ + 8⁷ + 5⁷ + 6³ .

It is not an unprimeable number, because it can be changed into a prime (2313851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8911 + ... + 9166.

2^2313856 is an apocalyptic number.

It is an amenable number.

2313856 is a deficient number, since it is larger than the sum of its proper divisors (2296034).

2313856 is an equidigital number, since it uses as much as digits as its factorization.

2313856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18091 (or 18079 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2313856 is about 1521.1364172881. The cubic root of 2313856 is about 132.2651541913.

Adding to 2313856 its reverse (6583132), we get a palindrome (8896988).

The spelling of 2313856 in words is "two million, three hundred thirteen thousand, eight hundred fifty-six".