28829900 has 36 divisors (see below), whose sum is σ = 68250840. Its totient is φ = 10483200.

The previous prime is 28829891. The next prime is 28829903. The reversal of 28829900 is 992882.

It is not an unprimeable number, because it can be changed into a prime (28829903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12005 + ... + 14204.

Almost surely, 2^28829900 is an apocalyptic number.

28829900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28829900 is an abundant number, since it is smaller than the sum of its proper divisors (39420940).

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

28829900 is a wasteful number, since it uses less digits than its factorization.

28829900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26234 (or 26227 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 28829900 is about 5369.3481913543. The cubic root of 28829900 is about 306.6298133618.

It can be divided in two parts, 28 and 829900, that added together give a palindrome (829928).

The spelling of 28829900 in words is "twenty-eight million, eight hundred twenty-nine thousand, nine hundred".