4005879 has 16 divisors (see below), whose sum is σ = 5544960. Its totient is φ = 2570400.

The previous prime is 4005847. The next prime is 4005889. The reversal of 4005879 is 9785004.

It is not a de Polignac number, because 4005879 - 2⁵ = 4005847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005839) 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 15 ways as a sum of consecutive naturals, for example, 16642 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (346560).

Almost surely, 2^4005879 is an apocalyptic number.

4005879 is a deficient number, since it is larger than the sum of its proper divisors (1539081).

4005879 is a wasteful number, since it uses less digits than its factorization.

4005879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 4005879 is about 2001.4692103552. The cubic root of 4005879 is about 158.8178365506.

It can be divided in two parts, 4005 and 879, that added together give a palindrome (4884).

The spelling of 4005879 in words is "four million, five thousand, eight hundred seventy-nine".