28653606 has 24 divisors (see below), whose sum is σ = 62726664. Its totient is φ = 9452160.

The previous prime is 28653571. The next prime is 28653623. The reversal of 28653606 is 60635682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6460 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (2613611).

Almost surely, 2^28653606 is an apocalyptic number.

28653606 is an abundant number, since it is smaller than the sum of its proper divisors (34073058).

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

28653606 is a wasteful number, since it uses less digits than its factorization.

28653606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16516 (or 16513 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 28653606 is about 5352.9063133965. The cubic root of 28653606 is about 306.0035242449.

The spelling of 28653606 in words is "twenty-eight million, six hundred fifty-three thousand, six hundred six".