7916197 has 2 divisors, whose sum is σ = 7916198. Its totient is φ = 7916196.

The previous prime is 7916147. The next prime is 7916213.

7916197 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7834401 + 81796 = 2799^2 + 286^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 7916197 - 2¹⁵ = 7883429 is a prime.

It is a super-3 number, since 3×7916197³ (a number of 22 digits) contains 333 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7916107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3958098 + 3958099.

It is an arithmetic number, because the mean of its divisors is an integer number (3958099).

Almost surely, 2^7916197 is an apocalyptic number.

It is an amenable number.

7916197 is a deficient number, since it is larger than the sum of its proper divisors (1).

7916197 is an equidigital number, since it uses as much as digits as its factorization.

7916197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 40.

The square root of 7916197 is about 2813.5737061609. The cubic root of 7916197 is about 199.2991888536.

The spelling of 7916197 in words is "seven million, nine hundred sixteen thousand, one hundred ninety-seven".