28630200 has 48 divisors (see below), whose sum is σ = 88755480. Its totient is φ = 7634560.

The previous prime is 28630187. The next prime is 28630211. The reversal of 28630200 is 203682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23259 + ... + 24458.

Almost surely, 2^28630200 is an apocalyptic number.

28630200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28630200 is an abundant number, since it is smaller than the sum of its proper divisors (60125280).

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

28630200 is a wasteful number, since it uses less digits than its factorization.

28630200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47736 (or 47727 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 28630200 is about 5350.7195777764. The cubic root of 28630200 is about 305.9201808131.

Adding to 28630200 its reverse (203682), we get a palindrome (28833882).

The spelling of 28630200 in words is "twenty-eight million, six hundred thirty thousand, two hundred".