199089 has 12 divisors (see below), whose sum is σ = 313872. Its totient is φ = 120600.

The previous prime is 199081. The next prime is 199103. The reversal of 199089 is 980991.

199089 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 199089 - 2³ = 199081 is a prime.

199089 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (199081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (26156).

2¹⁹⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

199089 is a deficient number, since it is larger than the sum of its proper divisors (114783).

199089 is a wasteful number, since it uses less digits than its factorization.

199089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 199089 is about 446.1939040372. The cubic root of 199089 is about 58.3914269332.

The spelling of 199089 in words is "one hundred ninety-nine thousand, eighty-nine".