289492 has 24 divisors (see below), whose sum is σ = 593600. Its totient is φ = 123480.

The previous prime is 289489. The next prime is 289511. The reversal of 289492 is 294982.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267 + ... + 1477.

2²⁸⁹⁴⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296800).

289492 is an abundant number, since it is smaller than the sum of its proper divisors (304108).

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

289492 is a wasteful number, since it uses less digits than its factorization.

289492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 220 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 289492 is about 538.0446078161. The cubic root of 289492 is about 66.1523873983.

The spelling of 289492 in words is "two hundred eighty-nine thousand, four hundred ninety-two".