6883421 has 4 divisors (see below), whose sum is σ = 6898752. Its totient is φ = 6868092.

The previous prime is 6883403. The next prime is 6883427. The reversal of 6883421 is 1243886.

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 6883421 - 2¹⁰ = 6882397 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 (6883427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6971 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (1724688).

Almost surely, 2^6883421 is an apocalyptic number.

It is an amenable number.

6883421 is a deficient number, since it is larger than the sum of its proper divisors (15331).

6883421 is a wasteful number, since it uses less digits than its factorization.

6883421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330.

The product of its digits is 9216, while the sum is 32.

The square root of 6883421 is about 2623.6274506873. The cubic root of 6883421 is about 190.2252269076.

The spelling of 6883421 in words is "six million, eight hundred eighty-three thousand, four hundred twenty-one".