4559689 has 8 divisors (see below), whose sum is σ = 4908168. Its totient is φ = 4220160.

The previous prime is 4559683. The next prime is 4559693. The reversal of 4559689 is 9869554.

4559689 = T₁₇₄₂ + T₁₇₄₃ + T₁₇₄₄.

It can be written as a sum of positive squares in 4 ways, for example, as 233289 + 4326400 = 483^2 + 2080^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4559689 - 2⁵ = 4559657 is a prime.

It is a Duffinian number.

4559689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4559683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (613521).

Almost surely, 2^4559689 is an apocalyptic number.

4559689 is the 1744-th centered triangular number.

It is an amenable number.

4559689 is a deficient number, since it is larger than the sum of its proper divisors (348479).

4559689 is a wasteful number, since it uses less digits than its factorization.

4559689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475.

The product of its digits is 388800, while the sum is 46.

The square root of 4559689 is about 2135.3428296178. The cubic root of 4559689 is about 165.8231168564.

The spelling of 4559689 in words is "four million, five hundred fifty-nine thousand, six hundred eighty-nine".