8466921 has 12 divisors (see below), whose sum is σ = 12762048. Its totient is φ = 5399064.

The previous prime is 8466919. The next prime is 8466943. The reversal of 8466921 is 1296648.

8466921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8466921 - 2¹ = 8466919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8466961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20245 + ... + 20658.

It is an arithmetic number, because the mean of its divisors is an integer number (1063504).

Almost surely, 2^8466921 is an apocalyptic number.

It is an amenable number.

8466921 is a deficient number, since it is larger than the sum of its proper divisors (4295127).

8466921 is a wasteful number, since it uses less digits than its factorization.

8466921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40932 (or 40929 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 8466921 is about 2909.7974156288. The cubic root of 8466921 is about 203.8176715762.

The spelling of 8466921 in words is "eight million, four hundred sixty-six thousand, nine hundred twenty-one".