28276026 has 16 divisors (see below), whose sum is σ = 57867744. Its totient is φ = 9206064.

The previous prime is 28276013. The next prime is 28276033. The reversal of 28276026 is 62067282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54541 + ... + 55056.

It is an arithmetic number, because the mean of its divisors is an integer number (3616734).

Almost surely, 2^28276026 is an apocalyptic number.

28276026 is an abundant number, since it is smaller than the sum of its proper divisors (29591718).

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

28276026 is a wasteful number, since it uses less digits than its factorization.

28276026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109645.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 28276026 is about 5317.5206628654. The cubic root of 28276026 is about 304.6534664997.

The spelling of 28276026 in words is "twenty-eight million, two hundred seventy-six thousand, twenty-six".