4391059 has 4 divisors (see below), whose sum is σ = 4498200. Its totient is φ = 4283920.

The previous prime is 4391041. The next prime is 4391063. The reversal of 4391059 is 9501934.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4391059 - 2⁵ = 4391027 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4391059.

It is not an unprimeable number, because it can be changed into a prime (4391039) 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 in 3 ways as a sum of consecutive naturals, for example, 53509 + ... + 53590.

It is an arithmetic number, because the mean of its divisors is an integer number (1124550).

Almost surely, 2^4391059 is an apocalyptic number.

4391059 is a deficient number, since it is larger than the sum of its proper divisors (107141).

4391059 is a wasteful number, since it uses less digits than its factorization.

4391059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107140.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 4391059 is about 2095.4853852986. The cubic root of 4391059 is about 163.7531856498.

The spelling of 4391059 in words is "four million, three hundred ninety-one thousand, fifty-nine".