289206164 has 12 divisors (see below), whose sum is σ = 545042484. Its totient is φ = 133479744.

The previous prime is 289206143. The next prime is 289206167. The reversal of 289206164 is 461602982.

289206164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12250000 + 276956164 = 3500^2 + 16642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289206167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780777 + ... + 2780880.

It is an arithmetic number, because the mean of its divisors is an integer number (45420207).

Almost surely, 2^289206164 is an apocalyptic number.

It is an amenable number.

289206164 is a deficient number, since it is larger than the sum of its proper divisors (255836320).

289206164 is a wasteful number, since it uses less digits than its factorization.

289206164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561674 (or 5561672 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 289206164 is about 17006.0625660380. The cubic root of 289206164 is about 661.3060791273.

The spelling of 289206164 in words is "two hundred eighty-nine million, two hundred six thousand, one hundred sixty-four".