289691713 has 4 divisors (see below), whose sum is σ = 306732420. Its totient is φ = 272651008.

The previous prime is 289691687. The next prime is 289691741. The reversal of 289691713 is 317196982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92794689 + 196897024 = 9633^2 + 14032^2 .

It is a cyclic number.

It is not a de Polignac number, because 289691713 - 2⁹ = 289691201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289691783) 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, 8520328 + ... + 8520361.

It is an arithmetic number, because the mean of its divisors is an integer number (76683105).

Almost surely, 2^289691713 is an apocalyptic number.

It is an amenable number.

289691713 is a deficient number, since it is larger than the sum of its proper divisors (17040707).

289691713 is a wasteful number, since it uses less digits than its factorization.

289691713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040706.

The product of its digits is 163296, while the sum is 46.

The square root of 289691713 is about 17020.3323410561. The cubic root of 289691713 is about 661.6759617188.

The spelling of 289691713 in words is "two hundred eighty-nine million, six hundred ninety-one thousand, seven hundred thirteen".