28324933 has 16 divisors (see below), whose sum is σ = 35199360. Its totient is φ = 22193856.

The previous prime is 28324931. The next prime is 28324939. The reversal of 28324933 is 33942382.

It is a cyclic number.

It is not a de Polignac number, because 28324933 - 2¹ = 28324931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28324931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8283 + ... + 11191.

It is an arithmetic number, because the mean of its divisors is an integer number (2199960).

Almost surely, 2^28324933 is an apocalyptic number.

It is an amenable number.

28324933 is a deficient number, since it is larger than the sum of its proper divisors (6874427).

28324933 is a wasteful number, since it uses less digits than its factorization.

28324933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036.

The product of its digits is 31104, while the sum is 34.

The square root of 28324933 is about 5322.1173418105. The cubic root of 28324933 is about 304.8290110291.

The spelling of 28324933 in words is "twenty-eight million, three hundred twenty-four thousand, nine hundred thirty-three".