8426861 has 8 divisors (see below), whose sum is σ = 9110880. Its totient is φ = 7766928.

The previous prime is 8426827. The next prime is 8426863. The reversal of 8426861 is 1686248.

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 8426861 - 2⁶ = 8426797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5291 + ... + 6696.

It is an arithmetic number, because the mean of its divisors is an integer number (1138860).

Almost surely, 2^8426861 is an apocalyptic number.

It is an amenable number.

8426861 is a deficient number, since it is larger than the sum of its proper divisors (684019).

8426861 is a wasteful number, since it uses less digits than its factorization.

8426861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043.

The product of its digits is 18432, while the sum is 35.

The square root of 8426861 is about 2902.9056133467. The cubic root of 8426861 is about 203.4957187693.

The spelling of 8426861 in words is "eight million, four hundred twenty-six thousand, eight hundred sixty-one".