28859296 has 48 divisors (see below), whose sum is σ = 59984064. Its totient is φ = 13640704.

The previous prime is 28859287. The next prime is 28859317. The reversal of 28859296 is 69295882.

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, 82995 + ... + 83341.

It is an arithmetic number, because the mean of its divisors is an integer number (1249668).

Almost surely, 2^28859296 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 28859296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29992032).

28859296 is an abundant number, since it is smaller than the sum of its proper divisors (31124768).

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

28859296 is a wasteful number, since it uses less digits than its factorization.

28859296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 485 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 28859296 is about 5372.0848839161. The cubic root of 28859296 is about 306.7339948789.

The spelling of 28859296 in words is "twenty-eight million, eight hundred fifty-nine thousand, two hundred ninety-six".