8342479 has 4 divisors (see below), whose sum is σ = 8448160. Its totient is φ = 8236800.

The previous prime is 8342447. The next prime is 8342483. The reversal of 8342479 is 9742438.

It is a happy number.

8342479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8342479 - 2⁵ = 8342447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8342179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52722 + ... + 52879.

It is an arithmetic number, because the mean of its divisors is an integer number (2112040).

Almost surely, 2^8342479 is an apocalyptic number.

8342479 is a deficient number, since it is larger than the sum of its proper divisors (105681).

8342479 is a wasteful number, since it uses less digits than its factorization.

8342479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105680.

The product of its digits is 48384, while the sum is 37.

The square root of 8342479 is about 2888.3349874971. The cubic root of 8342479 is about 202.8142071258.

The spelling of 8342479 in words is "eight million, three hundred forty-two thousand, four hundred seventy-nine".