289901 has 4 divisors (see below), whose sum is σ = 306972. Its totient is φ = 272832.

The previous prime is 289897. The next prime is 289937. The reversal of 289901 is 109982.

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 168100 + 121801 = 410^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 289901 - 2² = 289897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289901.

It is not an unprimeable number, because it can be changed into a prime (289951) 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, 8510 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (76743).

2²⁸⁹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

289901 is a deficient number, since it is larger than the sum of its proper divisors (17071).

289901 is a wasteful number, since it uses less digits than its factorization.

289901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 289901 is about 538.4245536749. The cubic root of 289901 is about 66.1835265369.

The spelling of 289901 in words is "two hundred eighty-nine thousand, nine hundred one".