28332608 has 28 divisors (see below), whose sum is σ = 59532012. Its totient is φ = 13332480.

The previous prime is 28332589. The next prime is 28332611. The reversal of 28332608 is 80623382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24522304 + 3810304 = 4952^2 + 1952^2 .

It is a Harshad number since it is a multiple of its sum of digits (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, 11933 + ... + 14108.

Almost surely, 2^28332608 is an apocalyptic number.

It is an amenable number.

28332608 is an abundant number, since it is smaller than the sum of its proper divisors (31199404).

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

28332608 is a wasteful number, since it uses less digits than its factorization.

28332608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26070 (or 26060 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 28332608 is about 5322.8383405848. The cubic root of 28332608 is about 304.8565409721.

The spelling of 28332608 in words is "twenty-eight million, three hundred thirty-two thousand, six hundred eight".