4118689 has 4 divisors (see below), whose sum is σ = 4122756. Its totient is φ = 4114624.

The previous prime is 4118627. The next prime is 4118693. The reversal of 4118689 is 9868114.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9868114 = 2 ⋅4934057.

It can be written as a sum of positive squares in 2 ways, for example, as 1868689 + 2250000 = 1367^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4118689 - 2¹¹ = 4116641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4118489) 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, 837 + ... + 2989.

It is an arithmetic number, because the mean of its divisors is an integer number (1030689).

Almost surely, 2^4118689 is an apocalyptic number.

It is an amenable number.

4118689 is a deficient number, since it is larger than the sum of its proper divisors (4067).

4118689 is a wasteful number, since it uses less digits than its factorization.

4118689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

The product of its digits is 13824, while the sum is 37.

The square root of 4118689 is about 2029.4553456531. The cubic root of 4118689 is about 160.2948858681.

The spelling of 4118689 in words is "four million, one hundred eighteen thousand, six hundred eighty-nine".