4059689 has 4 divisors (see below), whose sum is σ = 4063956. Its totient is φ = 4055424.

The previous prime is 4059683. The next prime is 4059761. The reversal of 4059689 is 9869504.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 1525225 = 1592^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 4059689 - 2¹² = 4055593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4059683) 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 3 ways as a sum of consecutive naturals, for example, 17 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (1015989).

Almost surely, 2^4059689 is an apocalyptic number.

It is an amenable number.

4059689 is a deficient number, since it is larger than the sum of its proper divisors (4267).

4059689 is a wasteful number, since it uses less digits than its factorization.

4059689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4059689 is about 2014.8669931288. The cubic root of 4059689 is about 159.5257964782.

The spelling of 4059689 in words is "four million, fifty-nine thousand, six hundred eighty-nine".