7116985 has 16 divisors (see below), whose sum is σ = 8845200. Its totient is φ = 5493760.

The previous prime is 7116983. The next prime is 7116997. The reversal of 7116985 is 5896117.

It can be written as a sum of positive squares in 8 ways, for example, as 3164841 + 3952144 = 1779^2 + 1988^2 .

It is not a de Polignac number, because 7116985 - 2¹ = 7116983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7116983) 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, 30429 + ... + 30661.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^7116985 is an apocalyptic number.

It is an amenable number.

7116985 is a deficient number, since it is larger than the sum of its proper divisors (1728215).

7116985 is a wasteful number, since it uses less digits than its factorization.

7116985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its digits is 15120, while the sum is 37.

The square root of 7116985 is about 2667.7677934933. The cubic root of 7116985 is about 192.3528757216.

The spelling of 7116985 in words is "seven million, one hundred sixteen thousand, nine hundred eighty-five".