2582788 has 12 divisors (see below), whose sum is σ = 4867660. Its totient is φ = 1192032.

The previous prime is 2582779. The next prime is 2582837. The reversal of 2582788 is 8872852.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 2334784 = 498^2 + 1528^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2582788.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24783 + ... + 24886.

2^2582788 is an apocalyptic number.

It is an amenable number.

2582788 is a deficient number, since it is larger than the sum of its proper divisors (2284872).

2582788 is a wasteful number, since it uses less digits than its factorization.

2582788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49686 (or 49684 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 2582788 is about 1607.1054725811. The cubic root of 2582788 is about 137.2027827976.

Subtracting 2582788 from its reverse (8872852), we obtain a square (6290064 = 2508²).

The spelling of 2582788 in words is "two million, five hundred eighty-two thousand, seven hundred eighty-eight".