28323996 has 24 divisors (see below), whose sum is σ = 66309264. Its totient is φ = 9409920.

The previous prime is 28323979. The next prime is 28324013. The reversal of 28323996 is 69932382.

It is an interprime number because it is at equal distance from previous prime (28323979) and next prime (28324013).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 7526.

It is an arithmetic number, because the mean of its divisors is an integer number (2762886).

Almost surely, 2^28323996 is an apocalyptic number.

It is an amenable number.

28323996 is an abundant number, since it is smaller than the sum of its proper divisors (37985268).

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

28323996 is a wasteful number, since it uses less digits than its factorization.

28323996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861 (or 7859 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 28323996 is about 5322.0293122079. The cubic root of 28323996 is about 304.8256497039.

The spelling of 28323996 in words is "twenty-eight million, three hundred twenty-three thousand, nine hundred ninety-six".