2044861 has 16 divisors (see below), whose sum is σ = 2628864. Its totient is φ = 1545984.

The previous prime is 2044849. The next prime is 2044873. The reversal of 2044861 is 1684402.

It is an interprime number because it is at equal distance from previous prime (2044849) and next prime (2044873).

It is a cyclic number.

It is not a de Polignac number, because 2044861 - 2⁷ = 2044733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (164304).

2^2044861 is an apocalyptic number.

It is an amenable number.

2044861 is a deficient number, since it is larger than the sum of its proper divisors (584003).

2044861 is a wasteful number, since it uses less digits than its factorization.

2044861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2044861 is about 1429.9863635713. The cubic root of 2044861 is about 126.9271700971.

The spelling of 2044861 in words is "two million, forty-four thousand, eight hundred sixty-one".