28364208 has 20 divisors (see below), whose sum is σ = 73274328. Its totient is φ = 9454720.

The previous prime is 28364197. The next prime is 28364213. The reversal of 28364208 is 80246382.

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, 295413 + ... + 295508.

Almost surely, 2^28364208 is an apocalyptic number.

It is an amenable number.

28364208 is an abundant number, since it is smaller than the sum of its proper divisors (44910120).

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

28364208 is a wasteful number, since it uses less digits than its factorization.

28364208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590932 (or 590926 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28364208 is about 5325.8058545163. The cubic root of 28364208 is about 304.9698366659.

The spelling of 28364208 in words is "twenty-eight million, three hundred sixty-four thousand, two hundred eight".