28634808 has 32 divisors (see below), whose sum is σ = 71804160. Its totient is φ = 9516000.

The previous prime is 28634777. The next prime is 28634819. The reversal of 28634808 is 80843682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7183 + ... + 10433.

It is an arithmetic number, because the mean of its divisors is an integer number (2243880).

Almost surely, 2^28634808 is an apocalyptic number.

It is an amenable number.

28634808 is an abundant number, since it is smaller than the sum of its proper divisors (43169352).

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

28634808 is a wasteful number, since it uses less digits than its factorization.

28634808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3623 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 28634808 is about 5351.1501567420. The cubic root of 28634808 is about 305.9365924410.

The spelling of 28634808 in words is "twenty-eight million, six hundred thirty-four thousand, eight hundred eight".