8398079 has 4 divisors (see below), whose sum is σ = 8442240. Its totient is φ = 8353920.

The previous prime is 8398069. The next prime is 8398097. The reversal of 8398079 is 9708938.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8398079 - 2¹⁶ = 8332543 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8398069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21794 + ... + 22175.

It is an arithmetic number, because the mean of its divisors is an integer number (2110560).

Almost surely, 2^8398079 is an apocalyptic number.

8398079 is a deficient number, since it is larger than the sum of its proper divisors (44161).

8398079 is a wasteful number, since it uses less digits than its factorization.

8398079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44160.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 8398079 is about 2897.9439263036. The cubic root of 8398079 is about 203.2637741704.

The spelling of 8398079 in words is "eight million, three hundred ninety-eight thousand, seventy-nine".