2315646 has 24 divisors (see below), whose sum is σ = 5070000. Its totient is φ = 763776.

The previous prime is 2315641. The next prime is 2315647. The reversal of 2315646 is 6465132.

2315646 is a `hidden beast` number, since 2 + 3 + 15 + 646 = 666.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1230 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (211250).

2^2315646 is an apocalyptic number.

2315646 is an abundant number, since it is smaller than the sum of its proper divisors (2754354).

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

2315646 is a wasteful number, since it uses less digits than its factorization.

2315646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1357 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2315646 is about 1521.7246794345. The cubic root of 2315646 is about 132.2992521935.

The spelling of 2315646 in words is "two million, three hundred fifteen thousand, six hundred forty-six".