8999199 has 12 divisors (see below), whose sum is σ = 14180712. Its totient is φ = 5454000.

The previous prime is 8999197. The next prime is 8999203. The reversal of 8999199 is 9919998.

It is not a de Polignac number, because 8999199 - 2¹ = 8999197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45352 + ... + 45549.

It is an arithmetic number, because the mean of its divisors is an integer number (1181726).

Almost surely, 2^8999199 is an apocalyptic number.

8999199 is a deficient number, since it is larger than the sum of its proper divisors (5181513).

8999199 is a wasteful number, since it uses less digits than its factorization.

8999199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90918 (or 90915 counting only the distinct ones).

The product of its digits is 472392, while the sum is 54.

The square root of 8999199 is about 2999.8664970295. The cubic root of 8999199 is about 208.0022112068.

The spelling of 8999199 in words is "eight million, nine hundred ninety-nine thousand, one hundred ninety-nine".