28044799 has 4 divisors (see below), whose sum is σ = 28056600. Its totient is φ = 28033000.

The previous prime is 28044767. The next prime is 28044823. The reversal of 28044799 is 99744082.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28044799 - 2⁵ = 28044767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28444799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (7014150).

Almost surely, 2^28044799 is an apocalyptic number.

28044799 is a deficient number, since it is larger than the sum of its proper divisors (11801).

28044799 is an equidigital number, since it uses as much as digits as its factorization.

28044799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 28044799 is about 5295.7340378837. The cubic root of 28044799 is about 303.8207586909.

The spelling of 28044799 in words is "twenty-eight million, forty-four thousand, seven hundred ninety-nine".