2636004 has 36 divisors (see below), whose sum is σ = 7156464. Its totient is φ = 752976.

The previous prime is 2635987. The next prime is 2636009. The reversal of 2636004 is 4006362.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2636009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1654 + ... + 2829.

2^2636004 is an apocalyptic number.

It is an amenable number.

2636004 is an abundant number, since it is smaller than the sum of its proper divisors (4520460).

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

2636004 is a wasteful number, since it uses less digits than its factorization.

2636004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504 (or 4495 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2636004 is about 1623.5775312562. The cubic root of 2636004 is about 138.1386969348.

The spelling of 2636004 in words is "two million, six hundred thirty-six thousand, four".