289546 has 4 divisors (see below), whose sum is σ = 434322. Its totient is φ = 144772.

The previous prime is 289543. The next prime is 289559. The reversal of 289546 is 645982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 44521 = 495^2 + 211^2 .

It is a super-2 number, since 2×289546² = 167673772232, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹² + 8² + 5⁴ + 9³ + 4⁶ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (289543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72385 + ... + 72388.

2²⁸⁹⁵⁴⁶ is an apocalyptic number.

289546 is a deficient number, since it is larger than the sum of its proper divisors (144776).

289546 is a wasteful number, since it uses less digits than its factorization.

289546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144775.

The product of its digits is 17280, while the sum is 34.

The square root of 289546 is about 538.0947871890. The cubic root of 289546 is about 66.1565003581.

The spelling of 289546 in words is "two hundred eighty-nine thousand, five hundred forty-six".