28869108 has 24 divisors (see below), whose sum is σ = 68120640. Its totient is φ = 9514560.

The previous prime is 28869107. The next prime is 28869109. The reversal of 28869108 is 80196882.

It is an interprime number because it is at equal distance from previous prime (28869107) and next prime (28869109).

It is a self number, because there is not a number n which added to its sum of digits gives 28869108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28869101) 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, 12448 + ... + 14583.

It is an arithmetic number, because the mean of its divisors is an integer number (2838360).

Almost surely, 2^28869108 is an apocalyptic number.

It is an amenable number.

28869108 is an abundant number, since it is smaller than the sum of its proper divisors (39251532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28869108 is a wasteful number, since it uses less digits than its factorization.

28869108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27127 (or 27125 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 28869108 is about 5372.9980457841. The cubic root of 28869108 is about 306.7687535569.

It can be divided in two parts, 288 and 69108, that added together give a palindrome (69396).

The spelling of 28869108 in words is "twenty-eight million, eight hundred sixty-nine thousand, one hundred eight".