28797696 has 108 divisors (see below), whose sum is σ = 86093280. Its totient is φ = 9246720.

The previous prime is 28797689. The next prime is 28797707. The reversal of 28797696 is 69679782.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66601 + ... + 67031.

It is an arithmetic number, because the mean of its divisors is an integer number (797160).

Almost surely, 2^28797696 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 28797696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43046640).

28797696 is an abundant number, since it is smaller than the sum of its proper divisors (57295584).

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

28797696 is a wasteful number, since it uses less digits than its factorization.

28797696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 465 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 28797696 is about 5366.3484791802. The cubic root of 28797696 is about 306.5155987722.

The spelling of 28797696 in words is "twenty-eight million, seven hundred ninety-seven thousand, six hundred ninety-six".