8426238 has 16 divisors (see below), whose sum is σ = 17264016. Its totient is φ = 2740160.

The previous prime is 8426227. The next prime is 8426261. The reversal of 8426238 is 8326248.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8426199 and 8426208.

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, 16881 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (1079001).

Almost surely, 2^8426238 is an apocalyptic number.

8426238 is an abundant number, since it is smaller than the sum of its proper divisors (8837778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8426238 is a wasteful number, since it uses less digits than its factorization.

8426238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34299.

The product of its digits is 18432, while the sum is 33.

The square root of 8426238 is about 2902.7983050843. The cubic root of 8426238 is about 203.4907038154.

The spelling of 8426238 in words is "eight million, four hundred twenty-six thousand, two hundred thirty-eight".