28492568 has 16 divisors (see below), whose sum is σ = 57533280. Its totient is φ = 13150368.

The previous prime is 28492559. The next prime is 28492589. The reversal of 28492568 is 86529482.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 136880 + ... + 137087.

It is an arithmetic number, because the mean of its divisors is an integer number (3595830).

Almost surely, 2^28492568 is an apocalyptic number.

It is an amenable number.

28492568 is an abundant number, since it is smaller than the sum of its proper divisors (29040712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28492568 is a wasteful number, since it uses less digits than its factorization.

28492568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273986 (or 273982 counting only the distinct ones).

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

The square root of 28492568 is about 5337.8430100557. The cubic root of 28492568 is about 305.4291834788.

The spelling of 28492568 in words is "twenty-eight million, four hundred ninety-two thousand, five hundred sixty-eight".