8381426 has 8 divisors (see below), whose sum is σ = 12731520. Its totient is φ = 4137588.

The previous prime is 8381393. The next prime is 8381437. The reversal of 8381426 is 6241838.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8381392 and 8381401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26366 + ... + 26681.

It is an arithmetic number, because the mean of its divisors is an integer number (1591440).

Almost surely, 2^8381426 is an apocalyptic number.

8381426 is a deficient number, since it is larger than the sum of its proper divisors (4350094).

8381426 is a wasteful number, since it uses less digits than its factorization.

8381426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53128.

The product of its digits is 9216, while the sum is 32.

The square root of 8381426 is about 2895.0692565118. The cubic root of 8381426 is about 203.1293310635.

The spelling of 8381426 in words is "eight million, three hundred eighty-one thousand, four hundred twenty-six".