27928908 has 48 divisors (see below), whose sum is σ = 82754560. Its totient is φ = 7979472.

The previous prime is 27928903. The next prime is 27928937. The reversal of 27928908 is 80982972.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (27928903) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17716 + ... + 19227.

Almost surely, 2^27928908 is an apocalyptic number.

27928908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27928908 is an abundant number, since it is smaller than the sum of its proper divisors (54825652).

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

27928908 is a wasteful number, since it uses less digits than its factorization.

27928908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36963 (or 36955 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 27928908 is about 5284.7807901558. The cubic root of 27928908 is about 303.4016827288.

The spelling of 27928908 in words is "twenty-seven million, nine hundred twenty-eight thousand, nine hundred eight".