28835968 has 32 divisors (see below), whose sum is σ = 65655360. Its totient is φ = 12357888.

The previous prime is 28835959. The next prime is 28835971. The reversal of 28835968 is 86953882.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15196 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (2051730).

Almost surely, 2^28835968 is an apocalyptic number.

28835968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28835968 is an abundant number, since it is smaller than the sum of its proper divisors (36819392).

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

28835968 is an equidigital number, since it uses as much as digits as its factorization.

28835968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32204 (or 32192 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 28835968 is about 5369.9132209003. The cubic root of 28835968 is about 306.6513245843.

The spelling of 28835968 in words is "twenty-eight million, eight hundred thirty-five thousand, nine hundred sixty-eight".