8348421 has 8 divisors (see below), whose sum is σ = 11432224. Its totient is φ = 5415120.

The previous prime is 8348413. The next prime is 8348423. The reversal of 8348421 is 1248438.

8348421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8348421 - 2³ = 8348413 is a prime.

It is a super-2 number, since 2×8348421² = 139392266386482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8348423) 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 7 ways as a sum of consecutive naturals, for example, 37495 + ... + 37716.

It is an arithmetic number, because the mean of its divisors is an integer number (1429028).

Almost surely, 2^8348421 is an apocalyptic number.

It is an amenable number.

8348421 is a deficient number, since it is larger than the sum of its proper divisors (3083803).

8348421 is a wasteful number, since it uses less digits than its factorization.

8348421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75251.

The product of its digits is 6144, while the sum is 30.

The square root of 8348421 is about 2889.3634247010. The cubic root of 8348421 is about 202.8623477330.

The spelling of 8348421 in words is "eight million, three hundred forty-eight thousand, four hundred twenty-one".