2825864 has 16 divisors (see below), whose sum is σ = 5389200. Its totient is φ = 1388752.

The previous prime is 2825863. The next prime is 2825869. The reversal of 2825864 is 4685282.

It is not an unprimeable number, because it can be changed into a prime (2825861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 3465.

It is an arithmetic number, because the mean of its divisors is an integer number (336825).

2^2825864 is an apocalyptic number.

It is an amenable number.

2825864 is a deficient number, since it is larger than the sum of its proper divisors (2563336).

2825864 is a wasteful number, since it uses less digits than its factorization.

2825864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052 (or 6048 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2825864 is about 1681.0306362467. The cubic root of 2825864 is about 141.3786245811.

The spelling of 2825864 in words is "two million, eight hundred twenty-five thousand, eight hundred sixty-four".