28683339 has 8 divisors (see below), whose sum is σ = 39478272. Its totient is φ = 18505320.

The previous prime is 28683329. The next prime is 28683341. The reversal of 28683339 is 93338682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28683339 - 2⁵ = 28683307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28683339.

It is not an unprimeable number, because it can be changed into a prime (28683329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154119 + ... + 154304.

It is an arithmetic number, because the mean of its divisors is an integer number (4934784).

Almost surely, 2^28683339 is an apocalyptic number.

28683339 is a deficient number, since it is larger than the sum of its proper divisors (10794933).

28683339 is a wasteful number, since it uses less digits than its factorization.

28683339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308457.

The product of its digits is 186624, while the sum is 42.

The square root of 28683339 is about 5355.6828696255. The cubic root of 28683339 is about 306.1093312598.

The spelling of 28683339 in words is "twenty-eight million, six hundred eighty-three thousand, three hundred thirty-nine".