6421116 has 24 divisors (see below), whose sum is σ = 16135504. Its totient is φ = 1975680.

The previous prime is 6421111. The next prime is 6421127. The reversal of 6421116 is 6111246.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 6421092 and 6421101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20425 + ... + 20736.

Almost surely, 2^6421116 is an apocalyptic number.

It is an amenable number.

6421116 is an abundant number, since it is smaller than the sum of its proper divisors (9714388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6421116 is a wasteful number, since it uses less digits than its factorization.

6421116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41181 (or 41179 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 6421116 is about 2533.9921073279. The cubic root of 6421116 is about 185.8675204162.

The spelling of 6421116 in words is "six million, four hundred twenty-one thousand, one hundred sixteen".