28596732 has 24 divisors (see below), whose sum is σ = 66882816. Its totient is φ = 9509808.

The previous prime is 28596731. The next prime is 28596749. The reversal of 28596732 is 23769582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28596731) 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, 2983 + ... + 8129.

It is an arithmetic number, because the mean of its divisors is an integer number (2786784).

Almost surely, 2^28596732 is an apocalyptic number.

It is an amenable number.

28596732 is an abundant number, since it is smaller than the sum of its proper divisors (38286084).

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

28596732 is a wasteful number, since it uses less digits than its factorization.

28596732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617 (or 5615 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 28596732 is about 5347.5912334433. The cubic root of 28596732 is about 305.8009299435.

It can be divided in two parts, 2859 and 6732, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 28596732 in words is "twenty-eight million, five hundred ninety-six thousand, seven hundred thirty-two".