28925208 has 64 divisors (see below), whose sum is σ = 86536800. Its totient is φ = 8899200.

The previous prime is 28925207. The next prime is 28925243. The reversal of 28925208 is 80252982.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28925207) 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 15 ways as a sum of consecutive naturals, for example, 2343 + ... + 7958.

Almost surely, 2^28925208 is an apocalyptic number.

It is an amenable number.

28925208 is an abundant number, since it is smaller than the sum of its proper divisors (57611592).

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

28925208 is a wasteful number, since it uses less digits than its factorization.

28925208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10329 (or 10319 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 28925208 is about 5378.2160611117. The cubic root of 28925208 is about 306.9673348163.

It can be divided in two parts, 2892 and 5208, that added together give a square (8100 = 90²).

The spelling of 28925208 in words is "twenty-eight million, nine hundred twenty-five thousand, two hundred eight".