8420116 has 24 divisors (see below), whose sum is σ = 16188480. Its totient is φ = 3814272.

The previous prime is 8420051. The next prime is 8420119. The reversal of 8420116 is 6110248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420119) 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, 661 + ... + 4156.

It is an arithmetic number, because the mean of its divisors is an integer number (674520).

Almost surely, 2^8420116 is an apocalyptic number.

It is an amenable number.

8420116 is a deficient number, since it is larger than the sum of its proper divisors (7768364).

8420116 is a wasteful number, since it uses less digits than its factorization.

8420116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863 (or 4861 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8420116 is about 2901.7436137605. The cubic root of 8420116 is about 203.4414104886.

The spelling of 8420116 in words is "eight million, four hundred twenty thousand, one hundred sixteen".