28364296 has 32 divisors (see below), whose sum is σ = 57102840. Its totient is φ = 13160448.

The previous prime is 28364263. The next prime is 28364327. The reversal of 28364296 is 69246382.

It can be written as a sum of positive squares in 4 ways, for example, as 27941796 + 422500 = 5286^2 + 650^2 .

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, 8500 + ... + 11356.

Almost surely, 2^28364296 is an apocalyptic number.

It is an amenable number.

28364296 is an abundant number, since it is smaller than the sum of its proper divisors (28738544).

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

28364296 is a wasteful number, since it uses less digits than its factorization.

28364296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2949 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 28364296 is about 5325.8141161704. The cubic root of 28364296 is about 304.9701520554.

The spelling of 28364296 in words is "twenty-eight million, three hundred sixty-four thousand, two hundred ninety-six".