28526984 has 16 divisors (see below), whose sum is σ = 53545920. Its totient is φ = 14248080.

The previous prime is 28526977. The next prime is 28526987. The reversal of 28526984 is 48962582.

It is a super-2 number, since 2×28526984² = 1627577632272512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28526987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11189 + ... + 13499.

It is an arithmetic number, because the mean of its divisors is an integer number (3346620).

Almost surely, 2^28526984 is an apocalyptic number.

It is an amenable number.

28526984 is a deficient number, since it is larger than the sum of its proper divisors (25018936).

28526984 is a wasteful number, since it uses less digits than its factorization.

28526984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860 (or 3856 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 28526984 is about 5341.0658112403. The cubic root of 28526984 is about 305.5521093508.

The spelling of 28526984 in words is "twenty-eight million, five hundred twenty-six thousand, nine hundred eighty-four".