28283827 has 16 divisors (see below), whose sum is σ = 33643008. Its totient is φ = 23438880.

The previous prime is 28283807. The next prime is 28283831. The reversal of 28283827 is 72838282.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28283827 - 2¹¹ = 28281779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28283827.

It is not an unprimeable number, because it can be changed into a prime (28283807) 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, 10678 + ... + 13060.

It is an arithmetic number, because the mean of its divisors is an integer number (2102688).

Almost surely, 2^28283827 is an apocalyptic number.

28283827 is a deficient number, since it is larger than the sum of its proper divisors (5359181).

28283827 is a wasteful number, since it uses less digits than its factorization.

28283827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490.

The product of its digits is 86016, while the sum is 40.

The square root of 28283827 is about 5318.2541308215. The cubic root of 28283827 is about 304.6814806104.

The spelling of 28283827 in words is "twenty-eight million, two hundred eighty-three thousand, eight hundred twenty-seven".