289048 has 8 divisors (see below), whose sum is σ = 541980. Its totient is φ = 144520.

The previous prime is 289039. The next prime is 289049. The reversal of 289048 is 840982.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18058 + ... + 18073.

2²⁸⁹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

289048 is a deficient number, since it is larger than the sum of its proper divisors (252932).

289048 is a wasteful number, since it uses less digits than its factorization.

289048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36137 (or 36133 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 289048 is about 537.6318442950. The cubic root of 289048 is about 66.1185503219.

The spelling of 289048 in words is "two hundred eighty-nine thousand, forty-eight".