28570200 has 96 divisors (see below), whose sum is σ = 93810960. Its totient is φ = 7168000.

The previous prime is 28570181. The next prime is 28570211. The reversal of 28570200 is 207582.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8800 + ... + 11600.

Almost surely, 2^28570200 is an apocalyptic number.

28570200 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 28570200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46905480).

28570200 is an abundant number, since it is smaller than the sum of its proper divisors (65240760).

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

28570200 is a wasteful number, since it uses less digits than its factorization.

28570200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 28570200 is about 5345.1099146790. The cubic root of 28570200 is about 305.7063268166.

Adding to 28570200 its reverse (207582), we get a palindrome (28777782).

The spelling of 28570200 in words is "twenty-eight million, five hundred seventy thousand, two hundred".