2315655 has 32 divisors (see below), whose sum is σ = 4363200. Its totient is φ = 1161216.

The previous prime is 2315647. The next prime is 2315657. The reversal of 2315655 is 5565132.

2315655 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 655 = 666.

2315655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2315655 - 2³ = 2315647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (136350).

2^2315655 is an apocalyptic number.

2315655 is a deficient number, since it is larger than the sum of its proper divisors (2047545).

2315655 is a wasteful number, since it uses less digits than its factorization.

2315655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 2315655 is about 1521.7276366026. The cubic root of 2315655 is about 132.2994235916.

It can be divided in two parts, 231 and 5655, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 2315655 in words is "two million, three hundred fifteen thousand, six hundred fifty-five".