289746 has 12 divisors (see below), whose sum is σ = 627822. Its totient is φ = 96576.

The previous prime is 289741. The next prime is 289759. The reversal of 289746 is 647982.

It can be written as a sum of positive squares in only one way, i.e., 239121 + 50625 = 489^2 + 225^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 289746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289741) by changing a digit.

289746 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8031 + ... + 8066.

2²⁸⁹⁷⁴⁶ is an apocalyptic number.

289746 is an abundant number, since it is smaller than the sum of its proper divisors (338076).

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

289746 is a wasteful number, since it uses less digits than its factorization.

289746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105 (or 16102 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 289746 is about 538.2805959720. The cubic root of 289746 is about 66.1717290895.

It can be divided in two parts, 289 and 746, that added together give a triangular number (1035 = T₄₅).

The spelling of 289746 in words is "two hundred eighty-nine thousand, seven hundred forty-six".