28652100 has 36 divisors (see below), whose sum is σ = 82900944. Its totient is φ = 7640480.

The previous prime is 28652083. The next prime is 28652131. The reversal of 28652100 is 125682.

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 11 ways as a sum of consecutive naturals, for example, 47454 + ... + 48053.

It is an arithmetic number, because the mean of its divisors is an integer number (2302804).

Almost surely, 2^28652100 is an apocalyptic number.

28652100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28652100 is an abundant number, since it is smaller than the sum of its proper divisors (54248844).

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

28652100 is a wasteful number, since it uses less digits than its factorization.

28652100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95524 (or 95517 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 28652100 is about 5352.7656403022. The cubic root of 28652100 is about 305.9981630886.

Adding to 28652100 its reverse (125682), we get a palindrome (28777782).

The spelling of 28652100 in words is "twenty-eight million, six hundred fifty-two thousand, one hundred".