289789842 has 8 divisors (see below), whose sum is σ = 579579696. Its totient is φ = 96596612.

The previous prime is 289789823. The next prime is 289789847. The reversal of 289789842 is 248987982.

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

289789842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (289789847) 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, 24149148 + ... + 24149159.

It is an arithmetic number, because the mean of its divisors is an integer number (72447462).

Almost surely, 2^289789842 is an apocalyptic number.

289789842 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.

289789842 is a wasteful number, since it uses less digits than its factorization.

289789842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48298312.

The product of its digits is 4644864, while the sum is 57.

The square root of 289789842 is about 17023.2147962716. The cubic root of 289789842 is about 661.7506644315.

The spelling of 289789842 in words is "two hundred eighty-nine million, seven hundred eighty-nine thousand, eight hundred forty-two".