8442319 has 8 divisors (see below), whose sum is σ = 9147600. Its totient is φ = 7760256.

The previous prime is 8442299. The next prime is 8442337. The reversal of 8442319 is 9132448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8442319 is a prime.

It is a super-2 number, since 2×8442319² = 142545500195522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442349) 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 7 ways as a sum of consecutive naturals, for example, 5044 + ... + 6505.

It is an arithmetic number, because the mean of its divisors is an integer number (1143450).

Almost surely, 2^8442319 is an apocalyptic number.

8442319 is a deficient number, since it is larger than the sum of its proper divisors (705281).

8442319 is a wasteful number, since it uses less digits than its factorization.

8442319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11609.

The product of its digits is 6912, while the sum is 31.

The square root of 8442319 is about 2905.5668982145. The cubic root of 8442319 is about 203.6200717304.

The spelling of 8442319 in words is "eight million, four hundred forty-two thousand, three hundred nineteen".