28829339 has 24 divisors (see below), whose sum is σ = 36682464. Its totient is φ = 22176000.

The previous prime is 28829299. The next prime is 28829357. The reversal of 28829339 is 93392882.

It is not a de Polignac number, because 28829339 - 2²⁰ = 27780763 is a prime.

It is a super-2 number, since 2×28829339² = 1662261574353842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28829339.

It is not an unprimeable number, because it can be changed into a prime (28829539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85379 + ... + 85715.

It is an arithmetic number, because the mean of its divisors is an integer number (1528436).

Almost surely, 2^28829339 is an apocalyptic number.

28829339 is a deficient number, since it is larger than the sum of its proper divisors (7853125).

28829339 is a wasteful number, since it uses less digits than its factorization.

28829339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 456 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 28829339 is about 5369.2959501223. The cubic root of 28829339 is about 306.6278244493.

Adding to 28829339 its reverse (93392882), we get a palindrome (122222221).

It can be divided in two parts, 2882 and 9339, that added together give a palindrome (12221).

The spelling of 28829339 in words is "twenty-eight million, eight hundred twenty-nine thousand, three hundred thirty-nine".