28276536 has 16 divisors (see below), whose sum is σ = 70691400. Its totient is φ = 9425504.

The previous prime is 28276519. The next prime is 28276543. The reversal of 28276536 is 63567282.

It is a junction number, because it is equal to n+sod(n) for n = 28276494 and 28276503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589071 + ... + 589118.

Almost surely, 2^28276536 is an apocalyptic number.

It is an amenable number.

28276536 is an abundant number, since it is smaller than the sum of its proper divisors (42414864).

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

28276536 is a wasteful number, since it uses less digits than its factorization.

28276536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178198 (or 1178194 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 28276536 is about 5317.5686173288. The cubic root of 28276536 is about 304.6552981142.

The spelling of 28276536 in words is "twenty-eight million, two hundred seventy-six thousand, five hundred thirty-six".