28208496 has 20 divisors (see below), whose sum is σ = 72872072. Its totient is φ = 9402816.

The previous prime is 28208489. The next prime is 28208539. The reversal of 28208496 is 69480282.

It is a nialpdrome in base 12.

It is a congruent number.

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, 293791 + ... + 293886.

Almost surely, 2^28208496 is an apocalyptic number.

It is an amenable number.

28208496 is an abundant number, since it is smaller than the sum of its proper divisors (44663576).

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

28208496 is a wasteful number, since it uses less digits than its factorization.

28208496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587688 (or 587682 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 28208496 is about 5311.1671033776. The cubic root of 28208496 is about 304.4107444104.

The spelling of 28208496 in words is "twenty-eight million, two hundred eight thousand, four hundred ninety-six".