8846921 has 4 divisors (see below), whose sum is σ = 8853012. Its totient is φ = 8840832.

The previous prime is 8846909. The next prime is 8846923. The reversal of 8846921 is 1296488.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 436921 + 8410000 = 661^2 + 2900^2 .

It is a cyclic number.

It is not a de Polignac number, because 8846921 - 2¹⁰ = 8845897 is a prime.

It is a super-2 number, since 2×8846921² = 156536022360482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8846923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (2213253).

Almost surely, 2^8846921 is an apocalyptic number.

It is an amenable number.

8846921 is a deficient number, since it is larger than the sum of its proper divisors (6091).

8846921 is a wasteful number, since it uses less digits than its factorization.

8846921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090.

The product of its digits is 27648, while the sum is 38.

The square root of 8846921 is about 2974.3774138465. The cubic root of 8846921 is about 206.8223093357.

The spelling of 8846921 in words is "eight million, eight hundred forty-six thousand, nine hundred twenty-one".