289949 has 8 divisors (see below), whose sum is σ = 324192. Its totient is φ = 257040.

The previous prime is 289937. The next prime is 289951. The reversal of 289949 is 949982.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289949 is a prime.

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 289949.

It is not an unprimeable number, because it can be changed into a prime (289999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (40524).

2²⁸⁹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

289949 is a deficient number, since it is larger than the sum of its proper divisors (34243).

289949 is a wasteful number, since it uses less digits than its factorization.

289949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its digits is 46656, while the sum is 41.

The square root of 289949 is about 538.4691263202. The cubic root of 289949 is about 66.1871790872.

The spelling of 289949 in words is "two hundred eighty-nine thousand, nine hundred forty-nine".