2584904 has 32 divisors (see below), whose sum is σ = 5721600. Its totient is φ = 1071360.

The previous prime is 2584891. The next prime is 2584909. The reversal of 2584904 is 4094852.

It is not an unprimeable number, because it can be changed into a prime (2584909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (178800).

2^2584904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2584904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860800).

2584904 is an abundant number, since it is smaller than the sum of its proper divisors (3136696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2584904 is a wasteful number, since it uses less digits than its factorization.

2584904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2584904 is about 1607.7636642243. The cubic root of 2584904 is about 137.2402412651.

The spelling of 2584904 in words is "two million, five hundred eighty-four thousand, nine hundred four".