28756596 has 48 divisors (see below), whose sum is σ = 73801728. Its totient is φ = 8642400.

The previous prime is 28756589. The next prime is 28756597. The reversal of 28756596 is 69565782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28756597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16461 + ... + 18123.

It is an arithmetic number, because the mean of its divisors is an integer number (1537536).

Almost surely, 2^28756596 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 28756596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36900864).

28756596 is an abundant number, since it is smaller than the sum of its proper divisors (45045132).

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

28756596 is a wasteful number, since it uses less digits than its factorization.

28756596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1810 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 28756596 is about 5362.5176922785. The cubic root of 28756596 is about 306.3697099130.

It can be divided in two parts, 287565 and 96, that added together give a triangular number (287661 = T₇₅₈).

The spelling of 28756596 in words is "twenty-eight million, seven hundred fifty-six thousand, five hundred ninety-six".