2043636 has 24 divisors (see below), whose sum is σ = 5449920. Its totient is φ = 583872.

The previous prime is 2043631. The next prime is 2043637. The reversal of 2043636 is 6363402.

2043636 is a modest number, since divided by 3636 gives 204 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12081 + ... + 12248.

It is an arithmetic number, because the mean of its divisors is an integer number (227080).

2^2043636 is an apocalyptic number.

It is an amenable number.

2043636 is an abundant number, since it is smaller than the sum of its proper divisors (3406284).

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

2043636 is a wasteful number, since it uses less digits than its factorization.

2043636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24343 (or 24341 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2043636 is about 1429.5579736408. The cubic root of 2043636 is about 126.9018192554.

The spelling of 2043636 in words is "two million, forty-three thousand, six hundred thirty-six".