8446981 has 8 divisors (see below), whose sum is σ = 8792064. Its totient is φ = 8108880.

The previous prime is 8446979. The next prime is 8447029. The reversal of 8446981 is 1896448.

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 8446981 - 2¹ = 8446979 is a prime.

It is a super-2 number, since 2×8446981² = 142702976028722, which contains 22 as substring.

8446981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8446951) 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, 796 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (1099008).

Almost surely, 2^8446981 is an apocalyptic number.

It is an amenable number.

8446981 is a deficient number, since it is larger than the sum of its proper divisors (345083).

8446981 is a wasteful number, since it uses less digits than its factorization.

8446981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491.

The product of its digits is 55296, while the sum is 40.

The square root of 8446981 is about 2906.3690405728. The cubic root of 8446981 is about 203.6575457188.

The spelling of 8446981 in words is "eight million, four hundred forty-six thousand, nine hundred eighty-one".