4099679 has 2 divisors, whose sum is σ = 4099680. Its totient is φ = 4099678.

The previous prime is 4099661. The next prime is 4099699. The reversal of 4099679 is 9769904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4099679 - 2¹⁶ = 4034143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4099699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049839 + 2049840.

It is an arithmetic number, because the mean of its divisors is an integer number (2049840).

Almost surely, 2^4099679 is an apocalyptic number.

4099679 is a deficient number, since it is larger than the sum of its proper divisors (1).

4099679 is an equidigital number, since it uses as much as digits as its factorization.

4099679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 4099679 is about 2024.7664062800. The cubic root of 4099679 is about 160.0478893107.

The spelling of 4099679 in words is "four million, ninety-nine thousand, six hundred seventy-nine".