8426005 has 8 divisors (see below), whose sum is σ = 11555712. Its totient is φ = 5777808.

The previous prime is 8425997. The next prime is 8426009. The reversal of 8426005 is 5006248.

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

It is a cyclic number.

It is not a de Polignac number, because 8426005 - 2³ = 8425997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120337 + ... + 120406.

It is an arithmetic number, because the mean of its divisors is an integer number (1444464).

Almost surely, 2^8426005 is an apocalyptic number.

It is an amenable number.

8426005 is a deficient number, since it is larger than the sum of its proper divisors (3129707).

8426005 is a wasteful number, since it uses less digits than its factorization.

8426005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240755.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 8426005 is about 2902.7581711193. The cubic root of 8426005 is about 203.4888281753.

The spelling of 8426005 in words is "eight million, four hundred twenty-six thousand, five".