28816824 has 16 divisors (see below), whose sum is σ = 72042120. Its totient is φ = 9605600.

The previous prime is 28816817. The next prime is 28816847. The reversal of 28816824 is 42861882.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600327 + ... + 600374.

Almost surely, 2^28816824 is an apocalyptic number.

28816824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28816824 is an abundant number, since it is smaller than the sum of its proper divisors (43225296).

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

28816824 is a wasteful number, since it uses less digits than its factorization.

28816824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200710 (or 1200706 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 28816824 is about 5368.1304008006. The cubic root of 28816824 is about 306.5834483290.

The spelling of 28816824 in words is "twenty-eight million, eight hundred sixteen thousand, eight hundred twenty-four".