28562800 has 90 divisors (see below), whose sum is σ = 79209464. Its totient is φ = 9696000.

The previous prime is 28562797. The next prime is 28562857. The reversal of 28562800 is 826582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 282750 + ... + 282850.

Almost surely, 2^28562800 is an apocalyptic number.

28562800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28562800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39604732).

28562800 is an abundant number, since it is smaller than the sum of its proper divisors (50646664).

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

28562800 is a wasteful number, since it uses less digits than its factorization.

28562800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28562800 is about 5344.4176483505. The cubic root of 28562800 is about 305.6799307563.

The spelling of 28562800 in words is "twenty-eight million, five hundred sixty-two thousand, eight hundred".