289483239 has 16 divisors (see below), whose sum is σ = 399140864. Its totient is φ = 186429600.

The previous prime is 289483237. The next prime is 289483261. The reversal of 289483239 is 932384982.

It is not a de Polignac number, because 289483239 - 2¹ = 289483237 is a prime.

It is a super-2 number, since 2×289483239² = 167601091323862242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289483237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56217 + ... + 61149.

It is an arithmetic number, because the mean of its divisors is an integer number (24946304).

Almost surely, 2^289483239 is an apocalyptic number.

289483239 is a deficient number, since it is larger than the sum of its proper divisors (109657625).

289483239 is a wasteful number, since it uses less digits than its factorization.

289483239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598.

The product of its digits is 746496, while the sum is 48.

The square root of 289483239 is about 17014.2069753486. The cubic root of 289483239 is about 661.5172006047.

The spelling of 289483239 in words is "two hundred eighty-nine million, four hundred eighty-three thousand, two hundred thirty-nine".