28300014 has 24 divisors (see below), whose sum is σ = 61475232. Its totient is φ = 9408960.

The previous prime is 28300009. The next prime is 28300031. The reversal of 28300014 is 41000382.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28300014.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5979 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (2561468).

Almost surely, 2^28300014 is an apocalyptic number.

28300014 is an abundant number, since it is smaller than the sum of its proper divisors (33175218).

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

28300014 is a wasteful number, since it uses less digits than its factorization.

28300014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 28300014 is about 5319.7757471533. The cubic root of 28300014 is about 304.7395931916.

Adding to 28300014 its reverse (41000382), we get a palindrome (69300396).

The spelling of 28300014 in words is "twenty-eight million, three hundred thousand, fourteen".