289704494 has 16 divisors (see below), whose sum is σ = 443409120. Its totient is φ = 141920160.

The previous prime is 289704491. The next prime is 289704529. The reversal of 289704494 is 494407982.

289704494 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 (289704491) 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, 27572 + ... + 36600.

It is an arithmetic number, because the mean of its divisors is an integer number (27713070).

Almost surely, 2^289704494 is an apocalyptic number.

289704494 is a deficient number, since it is larger than the sum of its proper divisors (153704626).

289704494 is a wasteful number, since it uses less digits than its factorization.

289704494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 289704494 is about 17020.7077996187. The cubic root of 289704494 is about 661.6856924724.

The spelling of 289704494 in words is "two hundred eighty-nine million, seven hundred four thousand, four hundred ninety-four".