2042864 has 10 divisors (see below), whose sum is σ = 3958080. Its totient is φ = 1021424.

The previous prime is 2042863. The next prime is 2042891. The reversal of 2042864 is 4682402.

2042864 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63824 + ... + 63855.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

2^2042864 is an apocalyptic number.

It is an amenable number.

2042864 is a deficient number, since it is larger than the sum of its proper divisors (1915216).

2042864 is a wasteful number, since it uses less digits than its factorization.

2042864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127687 (or 127681 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2042864 is about 1429.2879346024. The cubic root of 2042864 is about 126.8858378473.

The spelling of 2042864 in words is "two million, forty-two thousand, eight hundred sixty-four".