2315855 has 16 divisors (see below), whose sum is σ = 2924544. Its totient is φ = 1758240.

The previous prime is 2315849. The next prime is 2315857. The reversal of 2315855 is 5585132.

It is not a de Polignac number, because 2315855 - 2⁴ = 2315839 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10274 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (182784).

2^2315855 is an apocalyptic number.

2315855 is a deficient number, since it is larger than the sum of its proper divisors (608689).

2315855 is a wasteful number, since it uses less digits than its factorization.

2315855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 6000, while the sum is 29.

The square root of 2315855 is about 1521.7933499658. The cubic root of 2315855 is about 132.3032323229.

The spelling of 2315855 in words is "two million, three hundred fifteen thousand, eight hundred fifty-five".