2655624 has 16 divisors (see below), whose sum is σ = 6639120. Its totient is φ = 885200.

The previous prime is 2655623. The next prime is 2655643. The reversal of 2655624 is 4265562.

It is a junction number, because it is equal to n+sod(n) for n = 2655591 and 2655600.

It is not an unprimeable number, because it can be changed into a prime (2655623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55302 + ... + 55349.

It is an arithmetic number, because the mean of its divisors is an integer number (414945).

2^2655624 is an apocalyptic number.

2655624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2655624 is an abundant number, since it is smaller than the sum of its proper divisors (3983496).

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

2655624 is a wasteful number, since it uses less digits than its factorization.

2655624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110660 (or 110656 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2655624 is about 1629.6085419511. The cubic root of 2655624 is about 138.4805761098.

The spelling of 2655624 in words is "two million, six hundred fifty-five thousand, six hundred twenty-four".