289948 has 12 divisors (see below), whose sum is σ = 511560. Its totient is φ = 143792.

The previous prime is 289937. The next prime is 289951. The reversal of 289948 is 849982.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 289948.

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 289948.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483 + ... + 901.

It is an arithmetic number, because the mean of its divisors is an integer number (42630).

2²⁸⁹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

289948 is a deficient number, since it is larger than the sum of its proper divisors (221612).

289948 is a wasteful number, since it uses less digits than its factorization.

289948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 289948 is about 538.4681977610. The cubic root of 289948 is about 66.1871029965.

The spelling of 289948 in words is "two hundred eighty-nine thousand, nine hundred forty-eight".