28114899 has 8 divisors (see below), whose sum is σ = 37599120. Its totient is φ = 18686976.

The previous prime is 28114897. The next prime is 28114907. The reversal of 28114899 is 99841182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28114899 - 2¹ = 28114897 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 28114899.

It is not an unprimeable number, because it can be changed into a prime (28114897) 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, 12894 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (4699890).

Almost surely, 2^28114899 is an apocalyptic number.

28114899 is a deficient number, since it is larger than the sum of its proper divisors (9484221).

28114899 is a wasteful number, since it uses less digits than its factorization.

28114899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28149.

The product of its digits is 41472, while the sum is 42.

The square root of 28114899 is about 5302.3484419642. The cubic root of 28114899 is about 304.0736887098.

The spelling of 28114899 in words is "twenty-eight million, one hundred fourteen thousand, eight hundred ninety-nine".