28834700 has 72 divisors (see below), whose sum is σ = 66193680. Its totient is φ = 10886400.

The previous prime is 28834679. The next prime is 28834717. The reversal of 28834700 is 743882.

It is an unprimeable number.

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, 176819 + ... + 176981.

Almost surely, 2^28834700 is an apocalyptic number.

28834700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28834700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33096840).

28834700 is an abundant number, since it is smaller than the sum of its proper divisors (37358980).

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

28834700 is a wasteful number, since it uses less digits than its factorization.

28834700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 28834700 is about 5369.7951543797. The cubic root of 28834700 is about 306.6468297398.

The spelling of 28834700 in words is "twenty-eight million, eight hundred thirty-four thousand, seven hundred".