8163442 has 16 divisors (see below), whose sum is σ = 14477760. Its totient is φ = 3377808.

The previous prime is 8163427. The next prime is 8163457. The reversal of 8163442 is 2443618.

It is an interprime number because it is at equal distance from previous prime (8163427) and next prime (8163457).

It is a self number, because there is not a number n which added to its sum of digits gives 8163442.

It is an unprimeable number.

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, 9648 + ... + 10459.

It is an arithmetic number, because the mean of its divisors is an integer number (904860).

Almost surely, 2^8163442 is an apocalyptic number.

8163442 is a deficient number, since it is larger than the sum of its proper divisors (6314318).

8163442 is a wasteful number, since it uses less digits than its factorization.

8163442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20145.

The product of its digits is 4608, while the sum is 28.

The square root of 8163442 is about 2857.1737784041. The cubic root of 8163442 is about 201.3528450845.

The spelling of 8163442 in words is "eight million, one hundred sixty-three thousand, four hundred forty-two".