28325704 has 32 divisors (see below), whose sum is σ = 58154400. Its totient is φ = 12827520.

The previous prime is 28325701. The next prime is 28325707. The reversal of 28325704 is 40752382.

It is an interprime number because it is at equal distance from previous prime (28325701) and next prime (28325707).

It is not an unprimeable number, because it can be changed into a prime (28325701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35599 + ... + 36385.

It is an arithmetic number, because the mean of its divisors is an integer number (1817325).

Almost surely, 2^28325704 is an apocalyptic number.

It is an amenable number.

28325704 is an abundant number, since it is smaller than the sum of its proper divisors (29828696).

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

28325704 is a wasteful number, since it uses less digits than its factorization.

28325704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 28325704 is about 5322.1897748953. The cubic root of 28325704 is about 304.8317768024.

The spelling of 28325704 in words is "twenty-eight million, three hundred twenty-five thousand, seven hundred four".