289398 has 16 divisors (see below), whose sum is σ = 584640. Its totient is φ = 95496.

The previous prime is 289397. The next prime is 289417. The reversal of 289398 is 893982.

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 289398.

It is not an unprimeable number, because it can be changed into a prime (289397) 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, 661 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2²⁸⁹³⁹⁸ is an apocalyptic number.

289398 is an abundant number, since it is smaller than the sum of its proper divisors (295242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289398 is a wasteful number, since it uses less digits than its factorization.

289398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 31104, while the sum is 39.

The square root of 289398 is about 537.9572473719. The cubic root of 289398 is about 66.1452265815.

The spelling of 289398 in words is "two hundred eighty-nine thousand, three hundred ninety-eight".