28324 has 12 divisors (see below), whose sum is σ = 50764. Its totient is φ = 13824.

The previous prime is 28319. The next prime is 28349. The reversal of 28324 is 42382.

28324 = T₁₁₇ + T₁₁₈ + ... + T₁₂₀.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14400 + 13924 = 120^2 + 118^2 .

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, 244 + ... + 340.

2²⁸³²⁴ is an apocalyptic number.

It is an amenable number.

28324 is a deficient number, since it is larger than the sum of its proper divisors (22440).

28324 is a wasteful number, since it uses less digits than its factorization.

28324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 172 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 28324 is about 168.2973558913. The cubic root of 28324 is about 30.4825664053.

The spelling of 28324 in words is "twenty-eight thousand, three hundred twenty-four".