2587628 has 12 divisors (see below), whose sum is σ = 4542720. Its totient is φ = 1289712.

The previous prime is 2587609. The next prime is 2587639. The reversal of 2587628 is 8267852.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2587591 and 2587600.

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, 725 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (378560).

2^2587628 is an apocalyptic number.

It is an amenable number.

2587628 is a deficient number, since it is larger than the sum of its proper divisors (1955092).

2587628 is a wasteful number, since it uses less digits than its factorization.

2587628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2054 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 2587628 is about 1608.6105805943. The cubic root of 2587628 is about 137.2884327613.

The spelling of 2587628 in words is "two million, five hundred eighty-seven thousand, six hundred twenty-eight".