289163872 has 48 divisors (see below), whose sum is σ = 591071040. Its totient is φ = 139087872.

The previous prime is 289163827. The next prime is 289163873. The reversal of 289163872 is 278361982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289163873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429328 + ... + 430000.

It is an arithmetic number, because the mean of its divisors is an integer number (12313980).

Almost surely, 2^289163872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289163872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295535520).

289163872 is an abundant number, since it is smaller than the sum of its proper divisors (301907168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289163872 is a wasteful number, since it uses less digits than its factorization.

289163872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1167 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 289163872 is about 17004.8190816604. The cubic root of 289163872 is about 661.2738422393.

The spelling of 289163872 in words is "two hundred eighty-nine million, one hundred sixty-three thousand, eight hundred seventy-two".