28517848 has 16 divisors (see below), whose sum is σ = 53630280. Its totient is φ = 14216448.

The previous prime is 28517821. The next prime is 28517851. The reversal of 28517848 is 84871582.

It is a super-2 number, since 2×28517848² = 1626535309102208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2361 + ... + 7912.

Almost surely, 2^28517848 is an apocalyptic number.

It is an amenable number.

28517848 is a deficient number, since it is larger than the sum of its proper divisors (25112432).

28517848 is a wasteful number, since it uses less digits than its factorization.

28517848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626 (or 10622 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 28517848 is about 5340.2104827432. The cubic root of 28517848 is about 305.5194873472.

The spelling of 28517848 in words is "twenty-eight million, five hundred seventeen thousand, eight hundred forty-eight".