289423416 has 16 divisors (see below), whose sum is σ = 723558600. Its totient is φ = 96474464.

The previous prime is 289423403. The next prime is 289423417. The reversal of 289423416 is 614324982.

289423416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289423417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6029631 + ... + 6029678.

Almost surely, 2^289423416 is an apocalyptic number.

It is an amenable number.

289423416 is an abundant number, since it is smaller than the sum of its proper divisors (434135184).

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

289423416 is a wasteful number, since it uses less digits than its factorization.

289423416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12059318 (or 12059314 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 289423416 is about 17012.4488537071. The cubic root of 289423416 is about 661.4716289739.

The spelling of 289423416 in words is "two hundred eighty-nine million, four hundred twenty-three thousand, four hundred sixteen".