4041979 has 2 divisors, whose sum is σ = 4041980. Its totient is φ = 4041978.

The previous prime is 4041977. The next prime is 4042001. The reversal of 4041979 is 9791404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4041979 - 2¹ = 4041977 is a prime.

Together with 4041977, it forms a pair of twin primes.

4041979 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4041977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020989 + 2020990.

It is an arithmetic number, because the mean of its divisors is an integer number (2020990).

Almost surely, 2^4041979 is an apocalyptic number.

4041979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041979 is an equidigital number, since it uses as much as digits as its factorization.

4041979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 4041979 is about 2010.4673586010. The cubic root of 4041979 is about 159.2934863953.

The spelling of 4041979 in words is "four million, forty-one thousand, nine hundred seventy-nine".