28618608 has 40 divisors (see below), whose sum is σ = 74245248. Its totient is φ = 9499072.

The previous prime is 28618559. The next prime is 28618631. The reversal of 28618608 is 80681682.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 11491 + ... + 13757.

Almost surely, 2^28618608 is an apocalyptic number.

It is an amenable number.

28618608 is an abundant number, since it is smaller than the sum of its proper divisors (45626640).

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

28618608 is a wasteful number, since it uses less digits than its factorization.

28618608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2535 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 28618608 is about 5349.6362493164. The cubic root of 28618608 is about 305.8788875231.

The spelling of 28618608 in words is "twenty-eight million, six hundred eighteen thousand, six hundred eight".