28814300 has 36 divisors (see below), whose sum is σ = 63990696. Its totient is φ = 11256000.

The previous prime is 28814299. The next prime is 28814309. The reversal of 28814300 is 341882.

It is a self number, because there is not a number n which added to its sum of digits gives 28814300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814309) 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 11 ways as a sum of consecutive naturals, for example, 950 + ... + 7650.

Almost surely, 2^28814300 is an apocalyptic number.

28814300 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 28814300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31995348).

28814300 is an abundant number, since it is smaller than the sum of its proper divisors (35176396).

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

28814300 is a wasteful number, since it uses less digits than its factorization.

28814300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28814300 is about 5367.8953044932. The cubic root of 28814300 is about 306.5744970856.

The spelling of 28814300 in words is "twenty-eight million, eight hundred fourteen thousand, three hundred".