8445842 has 16 divisors (see below), whose sum is σ = 13698240. Its totient is φ = 3891888.

The previous prime is 8445841. The next prime is 8445847. The reversal of 8445842 is 2485448.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8445841) 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, 1598 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (856140).

Almost surely, 2^8445842 is an apocalyptic number.

8445842 is a deficient number, since it is larger than the sum of its proper divisors (5252398).

8445842 is a wasteful number, since it uses less digits than its factorization.

8445842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065.

The product of its digits is 40960, while the sum is 35.

The square root of 8445842 is about 2906.1730850037. The cubic root of 8445842 is about 203.6483915065.

The spelling of 8445842 in words is "eight million, four hundred forty-five thousand, eight hundred forty-two".