28537088 has 36 divisors (see below), whose sum is σ = 59970960. Its totient is φ = 13515264.

The previous prime is 28537063. The next prime is 28537097. The reversal of 28537088 is 88073582.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (1665860).

Almost surely, 2^28537088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28537088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29985480).

28537088 is an abundant number, since it is smaller than the sum of its proper divisors (31433872).

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

28537088 is an equidigital number, since it uses as much as digits as its factorization.

28537088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902 (or 5888 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 28537088 is about 5342.0116061274. The cubic root of 28537088 is about 305.5881796914.

It can be divided in two parts, 285 and 37088, that added together give a palindrome (37373).

The spelling of 28537088 in words is "twenty-eight million, five hundred thirty-seven thousand, eighty-eight".