8341921 has 4 divisors (see below), whose sum is σ = 9533632. Its totient is φ = 7150212.

The previous prime is 8341919. The next prime is 8341943. The reversal of 8341921 is 1291438.

8341921 = 425² + 426² + ... + 466².

It is a happy number.

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 8341921 - 2¹ = 8341919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8341921.

It is not an unprimeable number, because it can be changed into a prime (8341961) 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, 595845 + ... + 595858.

It is an arithmetic number, because the mean of its divisors is an integer number (2383408).

Almost surely, 2^8341921 is an apocalyptic number.

It is an amenable number.

8341921 is a deficient number, since it is larger than the sum of its proper divisors (1191711).

8341921 is a wasteful number, since it uses less digits than its factorization.

8341921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191710.

The product of its digits is 1728, while the sum is 28.

The square root of 8341921 is about 2888.2383904380. The cubic root of 8341921 is about 202.8096851746.

The spelling of 8341921 in words is "eight million, three hundred forty-one thousand, nine hundred twenty-one".