2036636 has 18 divisors (see below), whose sum is σ = 4146408. Its totient is φ = 872760.

The previous prime is 2036623. The next prime is 2036663. The reversal of 2036636 is 6366302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5000 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (230356).

2^2036636 is an apocalyptic number.

It is an amenable number.

2036636 is an abundant number, since it is smaller than the sum of its proper divisors (2109772).

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

2036636 is a wasteful number, since it uses less digits than its factorization.

2036636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10409 (or 10400 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 2036636 is about 1427.1075642712. The cubic root of 2036636 is about 126.7567626169.

It can be divided in two parts, 20366 and 36, that added together give a palindrome (20402).

The spelling of 2036636 in words is "two million, thirty-six thousand, six hundred thirty-six".