28588824 has 48 divisors (see below), whose sum is σ = 84469320. Its totient is φ = 8663040.

The previous prime is 28588817. The next prime is 28588829. The reversal of 28588824 is 42888582.

It is a self number, because there is not a number n which added to its sum of digits gives 28588824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28588829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17257 + ... + 18840.

Almost surely, 2^28588824 is an apocalyptic number.

28588824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28588824 is an abundant number, since it is smaller than the sum of its proper divisors (55880496).

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

28588824 is a wasteful number, since it uses less digits than its factorization.

28588824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36120 (or 36113 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 28588824 is about 5346.8517839940. The cubic root of 28588824 is about 305.7727391150.

The spelling of 28588824 in words is "twenty-eight million, five hundred eighty-eight thousand, eight hundred twenty-four".