28895488 has 36 divisors (see below), whose sum is σ = 59106348. Its totient is φ = 14090240.

The previous prime is 28895473. The next prime is 28895507. The reversal of 28895488 is 88459882.

It can be written as a sum of positive squares in 2 ways, for example, as 13778944 + 15116544 = 3712^2 + 3888^2 .

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, 9120 + ... + 11872.

It is an arithmetic number, because the mean of its divisors is an integer number (1641843).

Almost surely, 2^28895488 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 28895488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29553174).

28895488 is an abundant number, since it is smaller than the sum of its proper divisors (30210860).

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

28895488 is an equidigital number, since it uses as much as digits as its factorization.

28895488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2796 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 52.

The square root of 28895488 is about 5375.4523530583. The cubic root of 28895488 is about 306.8621647797.

The spelling of 28895488 in words is "twenty-eight million, eight hundred ninety-five thousand, four hundred eighty-eight".