4091879 has 8 divisors (see below), whose sum is σ = 4479888. Its totient is φ = 3706560.

The previous prime is 4091873. The next prime is 4091909. The reversal of 4091879 is 9781904.

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

It is not a de Polignac number, because 4091879 - 2⁴ = 4091863 is a prime.

It is a super-3 number, since 3×4091879³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899 + ... + 4835.

It is an arithmetic number, because the mean of its divisors is an integer number (559986).

Almost surely, 2^4091879 is an apocalyptic number.

4091879 is a deficient number, since it is larger than the sum of its proper divisors (388009).

4091879 is a wasteful number, since it uses less digits than its factorization.

4091879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 4091879 is about 2022.8393411243. The cubic root of 4091879 is about 159.9463231403.

It can be divided in two parts, 40 and 91879, that added together give a palindrome (91919).

The spelling of 4091879 in words is "four million, ninety-one thousand, eight hundred seventy-nine".