28165596 has 24 divisors (see below), whose sum is σ = 67119360. Its totient is φ = 9188592.

The previous prime is 28165573. The next prime is 28165609. The reversal of 28165596 is 69556182.

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, 24406 + ... + 25533.

It is an arithmetic number, because the mean of its divisors is an integer number (2796640).

Almost surely, 2^28165596 is an apocalyptic number.

It is an amenable number.

28165596 is an abundant number, since it is smaller than the sum of its proper divisors (38953764).

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

28165596 is a wasteful number, since it uses less digits than its factorization.

28165596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49993 (or 49991 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 28165596 is about 5307.1269063402. The cubic root of 28165596 is about 304.2563482931.

The spelling of 28165596 in words is "twenty-eight million, one hundred sixty-five thousand, five hundred ninety-six".