28852656 has 80 divisors (see below), whose sum is σ = 87208704. Its totient is φ = 8047872.

The previous prime is 28852639. The next prime is 28852673. The reversal of 28852656 is 65625882.

It is an interprime number because it is at equal distance from previous prime (28852639) and next prime (28852673).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 13450 + ... + 15446.

Almost surely, 2^28852656 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 28852656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43604352).

28852656 is an abundant number, since it is smaller than the sum of its proper divisors (58356048).

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

28852656 is a wasteful number, since it uses less digits than its factorization.

28852656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2052 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 28852656 is about 5371.4668387695. The cubic root of 28852656 is about 306.7104684336.

The spelling of 28852656 in words is "twenty-eight million, eight hundred fifty-two thousand, six hundred fifty-six".