28847308 has 24 divisors (see below), whose sum is σ = 57808800. Its totient is φ = 12338688.

The previous prime is 28847297. The next prime is 28847311. The reversal of 28847308 is 80374882.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 25458 + ... + 26566.

It is an arithmetic number, because the mean of its divisors is an integer number (2408700).

Almost surely, 2^28847308 is an apocalyptic number.

28847308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28847308 is an abundant number, since it is smaller than the sum of its proper divisors (28961492).

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

28847308 is a wasteful number, since it uses less digits than its factorization.

28847308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 28847308 is about 5370.9690000967. The cubic root of 28847308 is about 306.6915170998.

The spelling of 28847308 in words is "twenty-eight million, eight hundred forty-seven thousand, three hundred eight".