6421883 has 16 divisors (see below), whose sum is σ = 7185696. Its totient is φ = 5702400.

The previous prime is 6421873. The next prime is 6421901. The reversal of 6421883 is 3881246.

It is a cyclic number.

It is not a de Polignac number, because 6421883 - 2¹⁶ = 6356347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6421843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63533 + ... + 63633.

It is an arithmetic number, because the mean of its divisors is an integer number (449106).

Almost surely, 2^6421883 is an apocalyptic number.

6421883 is a deficient number, since it is larger than the sum of its proper divisors (763813).

6421883 is a wasteful number, since it uses less digits than its factorization.

6421883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

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

The square root of 6421883 is about 2534.1434450323. The cubic root of 6421883 is about 185.8749207244.

The spelling of 6421883 in words is "six million, four hundred twenty-one thousand, eight hundred eighty-three".