28350808 has 16 divisors (see below), whose sum is σ = 53799480. Its totient is φ = 14004288.

The previous prime is 28350767. The next prime is 28350811. The reversal of 28350808 is 80805382.

It is a happy number.

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, 20685 + ... + 22012.

Almost surely, 2^28350808 is an apocalyptic number.

It is an amenable number.

28350808 is a deficient number, since it is larger than the sum of its proper divisors (25448672).

28350808 is a wasteful number, since it uses less digits than its factorization.

28350808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42786 (or 42782 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 28350808 is about 5324.5476803199. The cubic root of 28350808 is about 304.9218038362.

The spelling of 28350808 in words is "twenty-eight million, three hundred fifty thousand, eight hundred eight".