289384197 has 16 divisors (see below), whose sum is σ = 388907328. Its totient is φ = 191399040.

The previous prime is 289384181. The next prime is 289384211. The reversal of 289384197 is 791483982.

It is not a de Polignac number, because 289384197 - 2⁴ = 289384181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289384097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237963 + ... + 239175.

It is an arithmetic number, because the mean of its divisors is an integer number (24306708).

Almost surely, 2^289384197 is an apocalyptic number.

It is an amenable number.

289384197 is a deficient number, since it is larger than the sum of its proper divisors (99523131).

289384197 is a wasteful number, since it uses less digits than its factorization.

289384197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780.

The product of its digits is 870912, while the sum is 51.

The square root of 289384197 is about 17011.2961587294. The cubic root of 289384197 is about 661.4417495351.

The spelling of 289384197 in words is "two hundred eighty-nine million, three hundred eighty-four thousand, one hundred ninety-seven".