28608612 has 12 divisors (see below), whose sum is σ = 66753456. Its totient is φ = 9536200.

The previous prime is 28608607. The next prime is 28608641. The reversal of 28608612 is 21680682.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1192014 + ... + 1192037.

It is an arithmetic number, because the mean of its divisors is an integer number (5562788).

Almost surely, 2^28608612 is an apocalyptic number.

It is an amenable number.

28608612 is an abundant number, since it is smaller than the sum of its proper divisors (38144844).

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

28608612 is a wasteful number, since it uses less digits than its factorization.

28608612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384058 (or 2384056 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28608612 is about 5348.7018985918. The cubic root of 28608612 is about 305.8432705868.

The spelling of 28608612 in words is "twenty-eight million, six hundred eight thousand, six hundred twelve".