2865004 has 12 divisors (see below), whose sum is σ = 5130664. Its totient is φ = 1399104.

The previous prime is 2865001. The next prime is 2865007. The reversal of 2865004 is 4005682.

It is an interprime number because it is at equal distance from previous prime (2865001) and next prime (2865007).

It is a self number, because there is not a number n which added to its sum of digits gives 2865004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865001) 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, 8157 + ... + 8500.

2^2865004 is an apocalyptic number.

It is an amenable number.

2865004 is a deficient number, since it is larger than the sum of its proper divisors (2265660).

2865004 is a wasteful number, since it uses less digits than its factorization.

2865004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16704 (or 16702 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2865004 is about 1692.6322695730. The cubic root of 2865004 is about 142.0283617223.

The spelling of 2865004 in words is "two million, eight hundred sixty-five thousand, four".