2042859 has 24 divisors (see below), whose sum is σ = 3415440. Its totient is φ = 1076544.

The previous prime is 2042857. The next prime is 2042863. The reversal of 2042859 is 9582402.

It is not a de Polignac number, because 2042859 - 2¹ = 2042857 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2042851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1377 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (142310).

2^2042859 is an apocalyptic number.

2042859 is a deficient number, since it is larger than the sum of its proper divisors (1372581).

2042859 is a wasteful number, since it uses less digits than its factorization.

2042859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2042859 is about 1429.2861854786. The cubic root of 2042859 is about 126.8857343276.

The spelling of 2042859 in words is "two million, forty-two thousand, eight hundred fifty-nine".