28606332 has 24 divisors (see below), whose sum is σ = 66915072. Its totient is φ = 9511600.

The previous prime is 28606321. The next prime is 28606351. The reversal of 28606332 is 23360682.

It is a self number, because there is not a number n which added to its sum of digits gives 28606332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (2788128).

Almost surely, 2^28606332 is an apocalyptic number.

It is an amenable number.

28606332 is an abundant number, since it is smaller than the sum of its proper divisors (38308740).

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

28606332 is a wasteful number, since it uses less digits than its factorization.

28606332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969 (or 5967 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 28606332 is about 5348.4887585186. The cubic root of 28606332 is about 305.8351455138.

The spelling of 28606332 in words is "twenty-eight million, six hundred six thousand, three hundred thirty-two".