2587804 has 12 divisors (see below), whose sum is σ = 4540984. Its totient is φ = 1290384.

The previous prime is 2587801. The next prime is 2587829. The reversal of 2587804 is 4087852.

It is a self number, because there is not a number n which added to its sum of digits gives 2587804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474 + ... + 2710.

2^2587804 is an apocalyptic number.

It is an amenable number.

2587804 is a deficient number, since it is larger than the sum of its proper divisors (1953180).

2587804 is a wasteful number, since it uses less digits than its factorization.

2587804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2587804 is about 1608.6652852598. The cubic root of 2587804 is about 137.2915452923.

The spelling of 2587804 in words is "two million, five hundred eighty-seven thousand, eight hundred four".