4163939 has 4 divisors (see below), whose sum is σ = 4484256. Its totient is φ = 3843624.

The previous prime is 4163933. The next prime is 4163941. The reversal of 4163939 is 9393614.

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 4163939 - 2¹² = 4159843 is a prime.

It is a Duffinian number.

4163939 is a modest number, since divided by 3939 gives 416 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4163899 and 4163908.

It is not an unprimeable number, because it can be changed into a prime (4163933) 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, 160139 + ... + 160164.

It is an arithmetic number, because the mean of its divisors is an integer number (1121064).

Almost surely, 2^4163939 is an apocalyptic number.

4163939 is a deficient number, since it is larger than the sum of its proper divisors (320317).

4163939 is a wasteful number, since it uses less digits than its factorization.

4163939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320316.

The product of its digits is 17496, while the sum is 35.

The square root of 4163939 is about 2040.5732037837. The cubic root of 4163939 is about 160.8797759930.

The spelling of 4163939 in words is "four million, one hundred sixty-three thousand, nine hundred thirty-nine".