28482538 has 16 divisors (see below), whose sum is σ = 48911040. Its totient is φ = 12185856.

The previous prime is 28482479. The next prime is 28482541. The reversal of 28482538 is 83528482.

It is a super-2 number, since 2×28482538² = 1622509941842888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28482538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8970 + ... + 11722.

It is an arithmetic number, because the mean of its divisors is an integer number (3056940).

Almost surely, 2^28482538 is an apocalyptic number.

28482538 is a deficient number, since it is larger than the sum of its proper divisors (20428502).

28482538 is a wasteful number, since it uses less digits than its factorization.

28482538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501.

The product of its digits is 122880, while the sum is 40.

The square root of 28482538 is about 5336.9034092815. The cubic root of 28482538 is about 305.3933400471.

The spelling of 28482538 in words is "twenty-eight million, four hundred eighty-two thousand, five hundred thirty-eight".