28323600 has 60 divisors (see below), whose sum is σ = 90733776. Its totient is φ = 7552640.

The previous prime is 28323577. The next prime is 28323629. The reversal of 28323600 is 632382.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10602 + ... + 13001.

Almost surely, 2^28323600 is an apocalyptic number.

28323600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28323600 is an abundant number, since it is smaller than the sum of its proper divisors (62410176).

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

28323600 is a wasteful number, since it uses less digits than its factorization.

28323600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23624 (or 23613 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 28323600 is about 5321.9921082241. The cubic root of 28323600 is about 304.8242291002.

Adding to 28323600 its reverse (632382), we get a palindrome (28955982).

The spelling of 28323600 in words is "twenty-eight million, three hundred twenty-three thousand, six hundred".