2636604 has 24 divisors (see below), whose sum is σ = 6835920. Its totient is φ = 878832.

The previous prime is 2636597. The next prime is 2636609. The reversal of 2636604 is 4066362.

2636604 is a `hidden beast` number, since 26 + 36 + 604 = 666.

2636604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 (2636609) 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 7 ways as a sum of consecutive naturals, for example, 12099 + ... + 12314.

It is an arithmetic number, because the mean of its divisors is an integer number (284830).

2^2636604 is an apocalyptic number.

It is an amenable number.

2636604 is an abundant number, since it is smaller than the sum of its proper divisors (4199316).

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

2636604 is a wasteful number, since it uses less digits than its factorization.

2636604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24426 (or 24418 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2636604 is about 1623.7622978749. The cubic root of 2636604 is about 138.1491770568.

It can be divided in two parts, 2636 and 604, that added together give a triangular number (3240 = T₈₀).

The spelling of 2636604 in words is "two million, six hundred thirty-six thousand, six hundred four".