28668300 has 36 divisors (see below), whose sum is σ = 82947816. Its totient is φ = 7644800.

The previous prime is 28668293. The next prime is 28668313. The reversal of 28668300 is 386682.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 47481 + ... + 48080.

It is an arithmetic number, because the mean of its divisors is an integer number (2304106).

Almost surely, 2^28668300 is an apocalyptic number.

28668300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28668300 is an abundant number, since it is smaller than the sum of its proper divisors (54279516).

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

28668300 is a wasteful number, since it uses less digits than its factorization.

28668300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95578 (or 95571 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28668300 is about 5354.2786629013. The cubic root of 28668300 is about 306.0558230422.

It can be divided in two parts, 286 and 68300, that added together give a palindrome (68586).

The spelling of 28668300 in words is "twenty-eight million, six hundred sixty-eight thousand, three hundred".