9159899 has 4 divisors (see below), whose sum is σ = 10468464. Its totient is φ = 7851336.

The previous prime is 9159869. The next prime is 9159901. The reversal of 9159899 is 9989519.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9989519 = 37 ⋅269987.

It is a cyclic number.

It is not a de Polignac number, because 9159899 - 2⁸ = 9159643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9159859) 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 3 ways as a sum of consecutive naturals, for example, 654272 + ... + 654285.

It is an arithmetic number, because the mean of its divisors is an integer number (2617116).

Almost surely, 2^9159899 is an apocalyptic number.

9159899 is a deficient number, since it is larger than the sum of its proper divisors (1308565).

9159899 is a wasteful number, since it uses less digits than its factorization.

9159899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308564.

The product of its digits is 262440, while the sum is 50.

The square root of 9159899 is about 3026.5325043687. The cubic root of 9159899 is about 209.2330223028.

The spelling of 9159899 in words is "nine million, one hundred fifty-nine thousand, eight hundred ninety-nine".