28568496 has 80 divisors (see below), whose sum is σ = 81923328. Its totient is φ = 8505600.

The previous prime is 28568479. The next prime is 28568503. The reversal of 28568496 is 69486582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31765 + ... + 32651.

Almost surely, 2^28568496 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 28568496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40961664).

28568496 is an abundant number, since it is smaller than the sum of its proper divisors (53354832).

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

28568496 is a wasteful number, since it uses less digits than its factorization.

28568496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 964 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 28568496 is about 5344.9505142705. The cubic root of 28568496 is about 305.7002489926.

The spelling of 28568496 in words is "twenty-eight million, five hundred sixty-eight thousand, four hundred ninety-six".