289384742 has 16 divisors (see below), whose sum is σ = 440240640. Its totient is φ = 142643592.

The previous prime is 289384691. The next prime is 289384757. The reversal of 289384742 is 247483982.

289384742 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167093 + ... + 168815.

It is an arithmetic number, because the mean of its divisors is an integer number (27515040).

Almost surely, 2^289384742 is an apocalyptic number.

289384742 is a deficient number, since it is larger than the sum of its proper divisors (150855898).

289384742 is a wasteful number, since it uses less digits than its factorization.

289384742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867.

The product of its digits is 774144, while the sum is 47.

The square root of 289384742 is about 17011.3121774894. The cubic root of 289384742 is about 661.4421647680.

The spelling of 289384742 in words is "two hundred eighty-nine million, three hundred eighty-four thousand, seven hundred forty-two".