28534808 has 32 divisors (see below), whose sum is σ = 56635200. Its totient is φ = 13440672.

The previous prime is 28534799. The next prime is 28534853. The reversal of 28534808 is 80843582.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 34091 + ... + 34917.

It is an arithmetic number, because the mean of its divisors is an integer number (1769850).

Almost surely, 2^28534808 is an apocalyptic number.

It is an amenable number.

28534808 is a deficient number, since it is larger than the sum of its proper divisors (28100392).

28534808 is a wasteful number, since it uses less digits than its factorization.

28534808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 28534808 is about 5341.7981991086. The cubic root of 28534808 is about 305.5800410473.

The spelling of 28534808 in words is "twenty-eight million, five hundred thirty-four thousand, eight hundred eight".