28632250 has 32 divisors (see below), whose sum is σ = 56760912. Its totient is φ = 10777600.

The previous prime is 28632223. The next prime is 28632257. The reversal of 28632250 is 5223682.

It can be written as a sum of positive squares in 8 ways, for example, as 3059001 + 25573249 = 1749^2 + 5057^2 .

It is not an unprimeable number, because it can be changed into a prime (28632257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882 + ... + 7618.

Almost surely, 2^28632250 is an apocalyptic number.

28632250 is a deficient number, since it is larger than the sum of its proper divisors (28128662).

28632250 is a wasteful number, since it uses less digits than its factorization.

28632250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771 (or 6761 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28632250 is about 5350.9111373672. The cubic root of 28632250 is about 305.9274822105.

It can be divided in two parts, 28632 and 250, that added together give a palindrome (28882).

The spelling of 28632250 in words is "twenty-eight million, six hundred thirty-two thousand, two hundred fifty".