28086484 has 24 divisors (see below), whose sum is σ = 52264800. Its totient is φ = 13168800.

The previous prime is 28086469. The next prime is 28086493. The reversal of 28086484 is 48468082.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5847 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (2177700).

Almost surely, 2^28086484 is an apocalyptic number.

It is an amenable number.

28086484 is a deficient number, since it is larger than the sum of its proper divisors (24178316).

28086484 is a wasteful number, since it uses less digits than its factorization.

28086484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 28086484 is about 5299.6682915066. The cubic root of 28086484 is about 303.9712143797.

The spelling of 28086484 in words is "twenty-eight million, eighty-six thousand, four hundred eighty-four".