28099163 has 8 divisors (see below), whose sum is σ = 28848960. Its totient is φ = 27358600.

The previous prime is 28099133. The next prime is 28099187. The reversal of 28099163 is 36199082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28099163 is a prime.

It is a super-2 number, since 2×28099163² = 1579125922601138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28099133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088 + ... + 8538.

It is an arithmetic number, because the mean of its divisors is an integer number (3606120).

Almost surely, 2^28099163 is an apocalyptic number.

28099163 is a deficient number, since it is larger than the sum of its proper divisors (749797).

28099163 is a wasteful number, since it uses less digits than its factorization.

28099163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 28099163 is about 5300.8643634788. The cubic root of 28099163 is about 304.0169477798.

The spelling of 28099163 in words is "twenty-eight million, ninety-nine thousand, one hundred sixty-three".