8442685 has 8 divisors (see below), whose sum is σ = 10192896. Its totient is φ = 6713040.

The previous prime is 8442673. The next prime is 8442689. The reversal of 8442685 is 5862448.

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

It is not a de Polignac number, because 8442685 - 2⁵ = 8442653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442689) 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, 4221 + ... + 5890.

It is an arithmetic number, because the mean of its divisors is an integer number (1274112).

Almost surely, 2^8442685 is an apocalyptic number.

It is an amenable number.

8442685 is a deficient number, since it is larger than the sum of its proper divisors (1750211).

8442685 is a wasteful number, since it uses less digits than its factorization.

8442685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283.

The product of its digits is 61440, while the sum is 37.

The square root of 8442685 is about 2905.6298800776. The cubic root of 8442685 is about 203.6230142027.

The spelling of 8442685 in words is "eight million, four hundred forty-two thousand, six hundred eighty-five".