8941421 has 4 divisors (see below), whose sum is σ = 9131712. Its totient is φ = 8751132.

The previous prime is 8941417. The next prime is 8941447. The reversal of 8941421 is 1241498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8941421 - 2² = 8941417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8941451) 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, 95075 + ... + 95168.

It is an arithmetic number, because the mean of its divisors is an integer number (2282928).

Almost surely, 2^8941421 is an apocalyptic number.

It is an amenable number.

8941421 is a deficient number, since it is larger than the sum of its proper divisors (190291).

8941421 is a wasteful number, since it uses less digits than its factorization.

8941421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190290.

The product of its digits is 2304, while the sum is 29.

The square root of 8941421 is about 2990.2208948504. The cubic root of 8941421 is about 207.5561061809.

The spelling of 8941421 in words is "eight million, nine hundred forty-one thousand, four hundred twenty-one".