4394879 has 2 divisors, whose sum is σ = 4394880. Its totient is φ = 4394878.

The previous prime is 4394843. The next prime is 4394881. The reversal of 4394879 is 9784934.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4394879 is a prime.

It is a super-2 number, since 2×4394879² = 38629922849282, which contains 22 as substring.

Together with 4394881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4394899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197439 + 2197440.

It is an arithmetic number, because the mean of its divisors is an integer number (2197440).

Almost surely, 2^4394879 is an apocalyptic number.

4394879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394879 is an equidigital number, since it uses as much as digits as its factorization.

4394879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 4394879 is about 2096.3966704801. The cubic root of 4394879 is about 163.8006575589.

The spelling of 4394879 in words is "four million, three hundred ninety-four thousand, eight hundred seventy-nine".