28569832 has 32 divisors (see below), whose sum is σ = 54820800. Its totient is φ = 13955200.

The previous prime is 28569829. The next prime is 28569839. The reversal of 28569832 is 23896582.

It is not an unprimeable number, because it can be changed into a prime (28569839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101532 + ... + 101812.

It is an arithmetic number, because the mean of its divisors is an integer number (1713150).

Almost surely, 2^28569832 is an apocalyptic number.

It is an amenable number.

28569832 is a deficient number, since it is larger than the sum of its proper divisors (26250968).

28569832 is a wasteful number, since it uses less digits than its factorization.

28569832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 533 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 28569832 is about 5345.0754905801. The cubic root of 28569832 is about 305.7050142553.

The spelling of 28569832 in words is "twenty-eight million, five hundred sixty-nine thousand, eight hundred thirty-two".