289197 has 8 divisors (see below), whose sum is σ = 428480. Its totient is φ = 192780.

The previous prime is 289193. The next prime is 289213. The reversal of 289197 is 791982.

It is a happy number.

It is not a de Polignac number, because 289197 - 2² = 289193 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

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 289197.

It is not an unprimeable number, because it can be changed into a prime (289193) 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, 5329 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (53560).

2²⁸⁹¹⁹⁷ is an apocalyptic number.

289197 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

289197 is a deficient number, since it is larger than the sum of its proper divisors (139283).

289197 is a wasteful number, since it uses less digits than its factorization.

289197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720 (or 10714 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 289197 is about 537.7703971027. The cubic root of 289197 is about 66.1299094176.

The spelling of 289197 in words is "two hundred eighty-nine thousand, one hundred ninety-seven".