289634 has 4 divisors (see below), whose sum is σ = 434454. Its totient is φ = 144816.

The previous prime is 289607. The next prime is 289637. The reversal of 289634 is 436982.

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., 225625 + 64009 = 475^2 + 253^2 .

It is a d-powerful number, because it can be written as 2¹³ + 8³ + 6⁷ + 9 + 3⁶ + 4⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 289634.

It is not an unprimeable number, because it can be changed into a prime (289637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72407 + ... + 72410.

2²⁸⁹⁶³⁴ is an apocalyptic number.

289634 is a deficient number, since it is larger than the sum of its proper divisors (144820).

289634 is a wasteful number, since it uses less digits than its factorization.

289634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144819.

The product of its digits is 10368, while the sum is 32.

The square root of 289634 is about 538.1765509570. The cubic root of 289634 is about 66.1632018636.

The spelling of 289634 in words is "two hundred eighty-nine thousand, six hundred thirty-four".