289434318 has 8 divisors (see below), whose sum is σ = 578868648. Its totient is φ = 96478104.

The previous prime is 289434317. The next prime is 289434329. The reversal of 289434318 is 813434982.

289434318 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

289434318 is an admirable number.

It is a super-2 number, since 2×289434318² = 167544448872250248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 289434318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289434317) 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, 24119521 + ... + 24119532.

It is an arithmetic number, because the mean of its divisors is an integer number (72358581).

Almost surely, 2^289434318 is an apocalyptic number.

289434318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

289434318 is a wasteful number, since it uses less digits than its factorization.

289434318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48239058.

The product of its digits is 165888, while the sum is 42.

The square root of 289434318 is about 17012.7692631153. The cubic root of 289434318 is about 661.4799343064.

The spelling of 289434318 in words is "two hundred eighty-nine million, four hundred thirty-four thousand, three hundred eighteen".