2587028 has 6 divisors (see below), whose sum is σ = 4527306. Its totient is φ = 1293512.

The previous prime is 2587019. The next prime is 2587031. The reversal of 2587028 is 8207852.

It can be written as a sum of positive squares in only one way, i.e., 1669264 + 917764 = 1292^2 + 958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2586985 and 2587003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323375 + ... + 323382.

It is an arithmetic number, because the mean of its divisors is an integer number (754551).

2^2587028 is an apocalyptic number.

It is an amenable number.

2587028 is a deficient number, since it is larger than the sum of its proper divisors (1940278).

2587028 is a wasteful number, since it uses less digits than its factorization.

2587028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646761 (or 646759 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2587028 is about 1608.4240734334. The cubic root of 2587028 is about 137.2778207997.

The spelling of 2587028 in words is "two million, five hundred eighty-seven thousand, twenty-eight".