28502368 has 24 divisors (see below), whose sum is σ = 56238840. Its totient is φ = 14219520.

The previous prime is 28502363. The next prime is 28502371. The reversal of 28502368 is 86320582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28502363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21468 + ... + 22756.

It is an arithmetic number, because the mean of its divisors is an integer number (2343285).

Almost surely, 2^28502368 is an apocalyptic number.

It is an amenable number.

28502368 is a deficient number, since it is larger than the sum of its proper divisors (27736472).

28502368 is a wasteful number, since it uses less digits than its factorization.

28502368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28502368 is about 5338.7609049292. The cubic root of 28502368 is about 305.4641968537.

The spelling of 28502368 in words is "twenty-eight million, five hundred two thousand, three hundred sixty-eight".