28864300 has 36 divisors (see below), whose sum is σ = 66323880. Its totient is φ = 10865920.

The previous prime is 28864291. The next prime is 28864307. The reversal of 28864300 is 346882.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28864307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6790 + ... + 10189.

It is an arithmetic number, because the mean of its divisors is an integer number (1842330).

Almost surely, 2^28864300 is an apocalyptic number.

28864300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28864300 is an abundant number, since it is smaller than the sum of its proper divisors (37459580).

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

28864300 is a wasteful number, since it uses less digits than its factorization.

28864300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17010 (or 17003 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 28864300 is about 5372.5506046942. The cubic root of 28864300 is about 306.7517223639.

The spelling of 28864300 in words is "twenty-eight million, eight hundred sixty-four thousand, three hundred".