7966197 has 6 divisors (see below), whose sum is σ = 11506742. Its totient is φ = 5310792.

The previous prime is 7966157. The next prime is 7966199. The reversal of 7966197 is 7916697.

It can be written as a sum of positive squares in only one way, i.e., 4704561 + 3261636 = 2169^2 + 1806^2 .

It is not a de Polignac number, because 7966197 - 2⁸ = 7965941 is a prime.

It is a Duffinian number.

7966197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7966199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442558 + ... + 442575.

Almost surely, 2^7966197 is an apocalyptic number.

It is an amenable number.

7966197 is a deficient number, since it is larger than the sum of its proper divisors (3540545).

7966197 is a wasteful number, since it uses less digits than its factorization.

7966197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885139 (or 885136 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 7966197 is about 2822.4452164745. The cubic root of 7966197 is about 199.7179106484.

The spelling of 7966197 in words is "seven million, nine hundred sixty-six thousand, one hundred ninety-seven".