2042636 has 12 divisors (see below), whose sum is σ = 3590328. Its totient is φ = 1016832.

The previous prime is 2042627. The next prime is 2042647. The reversal of 2042636 is 6362402.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (299194).

2^2042636 is an apocalyptic number.

It is an amenable number.

2042636 is a deficient number, since it is larger than the sum of its proper divisors (1547692).

2042636 is a wasteful number, since it uses less digits than its factorization.

2042636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2042636 is about 1429.2081723808. The cubic root of 2042636 is about 126.8811171794.

The spelling of 2042636 in words is "two million, forty-two thousand, six hundred thirty-six".