28565496 has 48 divisors (see below), whose sum is σ = 78071760. Its totient is φ = 9434880.

The previous prime is 28565483. The next prime is 28565503. The reversal of 28565496 is 69456582.

It is a congruent number.

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, 6381 + ... + 9891.

It is an arithmetic number, because the mean of its divisors is an integer number (1626495).

Almost surely, 2^28565496 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 28565496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39035880).

28565496 is an abundant number, since it is smaller than the sum of its proper divisors (49506264).

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

28565496 is a wasteful number, since it uses less digits than its factorization.

28565496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636 (or 3629 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 28565496 is about 5344.6698681958. The cubic root of 28565496 is about 305.6895480110.

The spelling of 28565496 in words is "twenty-eight million, five hundred sixty-five thousand, four hundred ninety-six".