28898208 has 60 divisors (see below), whose sum is σ = 84996450. Its totient is φ = 9631872.

The previous prime is 28898179. The next prime is 28898209. The reversal of 28898208 is 80289882.

It can be written as a sum of positive squares in only one way, i.e., 26501904 + 2396304 = 5148^2 + 1548^2 .

It is a super-2 number, since 2×28898208² = 1670212851222528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28898209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2983 + ... + 8166.

Almost surely, 2^28898208 is an apocalyptic number.

It is an amenable number.

28898208 is an abundant number, since it is smaller than the sum of its proper divisors (56098242).

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

28898208 is a wasteful number, since it uses less digits than its factorization.

28898208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171 (or 11154 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 28898208 is about 5375.7053490682. The cubic root of 28898208 is about 306.8717930291.

The spelling of 28898208 in words is "twenty-eight million, eight hundred ninety-eight thousand, two hundred eight".