6420116 has 6 divisors (see below), whose sum is σ = 11235210. Its totient is φ = 3210056.

The previous prime is 6420109. The next prime is 6420173. The reversal of 6420116 is 6110246.

It is a happy number.

6420116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4857616 + 1562500 = 2204^2 + 1250^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802511 + ... + 802518.

It is an arithmetic number, because the mean of its divisors is an integer number (1872535).

Almost surely, 2^6420116 is an apocalyptic number.

It is an amenable number.

6420116 is a deficient number, since it is larger than the sum of its proper divisors (4815094).

6420116 is a wasteful number, since it uses less digits than its factorization.

6420116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605033 (or 1605031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 6420116 is about 2533.7947825347. The cubic root of 6420116 is about 185.8578711501.

The spelling of 6420116 in words is "six million, four hundred twenty thousand, one hundred sixteen".