28892208 has 80 divisors (see below), whose sum is σ = 78182496. Its totient is φ = 9185280.

The previous prime is 28892203. The next prime is 28892219. The reversal of 28892208 is 80229882.

It is not an unprimeable number, because it can be changed into a prime (28892203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104166 + ... + 104442.

Almost surely, 2^28892208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28892208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39091248).

28892208 is an abundant number, since it is smaller than the sum of its proper divisors (49290288).

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

28892208 is a wasteful number, since it uses less digits than its factorization.

28892208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 28892208 is about 5375.1472537969. The cubic root of 28892208 is about 306.8505534399.

The spelling of 28892208 in words is "twenty-eight million, eight hundred ninety-two thousand, two hundred eight".