289540694 has 8 divisors (see below), whose sum is σ = 435301680. Its totient is φ = 144440136.

The previous prime is 289540687. The next prime is 289540697. The reversal of 289540694 is 496045982.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289540697) 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, 164009 + ... + 165764.

It is an arithmetic number, because the mean of its divisors is an integer number (54412710).

Almost surely, 2^289540694 is an apocalyptic number.

289540694 is a deficient number, since it is larger than the sum of its proper divisors (145760986).

289540694 is a wasteful number, since it uses less digits than its factorization.

289540694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330214.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 289540694 is about 17015.8953334816. The cubic root of 289540694 is about 661.5609624435.

The spelling of 289540694 in words is "two hundred eighty-nine million, five hundred forty thousand, six hundred ninety-four".