28496888 has 32 divisors (see below), whose sum is σ = 61810560. Its totient is φ = 12063840.

The previous prime is 28496873. The next prime is 28496893. The reversal of 28496888 is 88869482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (1931580).

Almost surely, 2^28496888 is an apocalyptic number.

28496888 is a gapful number since it is divisible by the number (28) 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 28496888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30905280).

28496888 is an abundant number, since it is smaller than the sum of its proper divisors (33313672).

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

28496888 is a wasteful number, since it uses less digits than its factorization.

28496888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227 (or 6223 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 53.

The square root of 28496888 is about 5338.2476525542. The cubic root of 28496888 is about 305.4446189355. Note that the first 3 decimals are identical.

The spelling of 28496888 in words is "twenty-eight million, four hundred ninety-six thousand, eight hundred eighty-eight".