28858996 has 12 divisors (see below), whose sum is σ = 53474148. Its totient is φ = 13580672.

The previous prime is 28858993. The next prime is 28859003. The reversal of 28858996 is 69985882.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 9180900 = 4436^2 + 3030^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28858993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212131 + ... + 212266.

It is an arithmetic number, because the mean of its divisors is an integer number (4456179).

Almost surely, 2^28858996 is an apocalyptic number.

It is an amenable number.

28858996 is a deficient number, since it is larger than the sum of its proper divisors (24615152).

28858996 is a wasteful number, since it uses less digits than its factorization.

28858996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424418 (or 424416 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 28858996 is about 5372.0569617233. The cubic root of 28858996 is about 306.7329320150.

It can be divided in two parts, 2885 and 8996, that added together give a square (11881 = 109²).

The spelling of 28858996 in words is "twenty-eight million, eight hundred fifty-eight thousand, nine hundred ninety-six".