4398679 has 2 divisors, whose sum is σ = 4398680. Its totient is φ = 4398678.

The previous prime is 4398677. The next prime is 4398689. The reversal of 4398679 is 9768934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4398679 - 2¹ = 4398677 is a prime.

Together with 4398677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4398677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199339 + 2199340.

It is an arithmetic number, because the mean of its divisors is an integer number (2199340).

Almost surely, 2^4398679 is an apocalyptic number.

4398679 is a deficient number, since it is larger than the sum of its proper divisors (1).

4398679 is an equidigital number, since it uses as much as digits as its factorization.

4398679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 4398679 is about 2097.3027916827. The cubic root of 4398679 is about 163.8478536394.

The spelling of 4398679 in words is "four million, three hundred ninety-eight thousand, six hundred seventy-nine".