989199 has 8 divisors (see below), whose sum is σ = 1465520. Its totient is φ = 659448.

The previous prime is 989173. The next prime is 989231. The reversal of 989199 is 991989.

989199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 989199 - 2⁷ = 989071 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989199.

It is not an unprimeable number, because it can be changed into a prime (989119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18292 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (183190).

2⁹⁸⁹¹⁹⁹ is an apocalyptic number.

989199 is a deficient number, since it is larger than the sum of its proper divisors (476321).

989199 is a wasteful number, since it uses less digits than its factorization.

989199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36646 (or 36640 counting only the distinct ones).

The product of its digits is 52488, while the sum is 45.

The square root of 989199 is about 994.5848380103. The cubic root of 989199 is about 99.6386625920.

The spelling of 989199 in words is "nine hundred eighty-nine thousand, one hundred ninety-nine".