289874 has 8 divisors (see below), whose sum is σ = 468300. Its totient is φ = 133776.

The previous prime is 289871. The next prime is 289889. The reversal of 289874 is 478982.

It can be written as a sum of positive squares in 2 ways, for example, as 265225 + 24649 = 515^2 + 157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289874.

It is not an unprimeable number, because it can be changed into a prime (289871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5549 + ... + 5600.

2²⁸⁹⁸⁷⁴ is an apocalyptic number.

289874 is a deficient number, since it is larger than the sum of its proper divisors (178426).

289874 is a wasteful number, since it uses less digits than its factorization.

289874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164.

The product of its digits is 32256, while the sum is 38.

The square root of 289874 is about 538.3994799403. The cubic root of 289874 is about 66.1814718002.

The spelling of 289874 in words is "two hundred eighty-nine thousand, eight hundred seventy-four".