28902200 has 24 divisors (see below), whose sum is σ = 67198080. Its totient is φ = 11560800.

The previous prime is 28902197. The next prime is 28902221. The reversal of 28902200 is 220982.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72056 + ... + 72455.

It is an arithmetic number, because the mean of its divisors is an integer number (2799920).

Almost surely, 2^28902200 is an apocalyptic number.

28902200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28902200 is an abundant number, since it is smaller than the sum of its proper divisors (38295880).

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

28902200 is a wasteful number, since it uses less digits than its factorization.

28902200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144527 (or 144518 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 28902200 is about 5376.0766363585. The cubic root of 28902200 is about 306.8859228072.

The spelling of 28902200 in words is "twenty-eight million, nine hundred two thousand, two hundred".