289601 has 4 divisors (see below), whose sum is σ = 311892. Its totient is φ = 267312.

The previous prime is 289589. The next prime is 289603. The reversal of 289601 is 106982.

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 141376 + 148225 = 376^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 289601 - 2¹⁰ = 288577 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289601.

It is not an unprimeable number, because it can be changed into a prime (289603) 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, 11126 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (77973).

2²⁸⁹⁶⁰¹ is an apocalyptic number.

It is an amenable number.

289601 is a deficient number, since it is larger than the sum of its proper divisors (22291).

289601 is a wasteful number, since it uses less digits than its factorization.

289601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22290.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 289601 is about 538.1458909998. The cubic root of 289601 is about 66.1606889581.

The spelling of 289601 in words is "two hundred eighty-nine thousand, six hundred one".