28827339 has 16 divisors (see below), whose sum is σ = 39072000. Its totient is φ = 18903456.

The previous prime is 28827307. The next prime is 28827347. The reversal of 28827339 is 93372882.

It is not a de Polignac number, because 28827339 - 2⁵ = 28827307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28827339.

It is not an unprimeable number, because it can be changed into a prime (28827739) 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, 64852 + ... + 65294.

It is an arithmetic number, because the mean of its divisors is an integer number (2442000).

Almost surely, 2^28827339 is an apocalyptic number.

28827339 is a deficient number, since it is larger than the sum of its proper divisors (10244661).

28827339 is a wasteful number, since it uses less digits than its factorization.

28827339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its digits is 145152, while the sum is 42.

The square root of 28827339 is about 5369.1097027347. The cubic root of 28827339 is about 306.6207336424.

The spelling of 28827339 in words is "twenty-eight million, eight hundred twenty-seven thousand, three hundred thirty-nine".