2636990 has 16 divisors (see below), whose sum is σ = 4875552. Its totient is φ = 1026144.

The previous prime is 2636983. The next prime is 2637001. The reversal of 2636990 is 996362.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2636990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (304722).

2^2636990 is an apocalyptic number.

2636990 is a deficient number, since it is larger than the sum of its proper divisors (2238562).

2636990 is a wasteful number, since it uses less digits than its factorization.

2636990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 2636990 is about 1623.8811532868. The cubic root of 2636990 is about 138.1559184282.

The spelling of 2636990 in words is "two million, six hundred thirty-six thousand, nine hundred ninety".