8442238 has 16 divisors (see below), whose sum is σ = 14550624. Its totient is φ = 3598560.

The previous prime is 8442229. The next prime is 8442263. The reversal of 8442238 is 8322448.

It is a congruent number.

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, 1228 + ... + 4288.

It is an arithmetic number, because the mean of its divisors is an integer number (909414).

Almost surely, 2^8442238 is an apocalyptic number.

8442238 is a deficient number, since it is larger than the sum of its proper divisors (6108386).

8442238 is a wasteful number, since it uses less digits than its factorization.

8442238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267.

The product of its digits is 12288, while the sum is 31.

The square root of 8442238 is about 2905.5529594210. The cubic root of 8442238 is about 203.6194205161.

The spelling of 8442238 in words is "eight million, four hundred forty-two thousand, two hundred thirty-eight".