7956197 has 6 divisors (see below), whose sum is σ = 8072082. Its totient is φ = 7841952.

The previous prime is 7956163. The next prime is 7956211. The reversal of 7956197 is 7916597.

It can be written as a sum of positive squares in 3 ways, for example, as 3076516 + 4879681 = 1754^2 + 2209^2 .

It is not a de Polignac number, because 7956197 - 2¹⁶ = 7890661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7956797) 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, 4583 + ... + 6075.

It is an arithmetic number, because the mean of its divisors is an integer number (1345347).

Almost surely, 2^7956197 is an apocalyptic number.

It is an amenable number.

7956197 is a deficient number, since it is larger than the sum of its proper divisors (115885).

7956197 is an equidigital number, since it uses as much as digits as its factorization.

7956197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1566 counting only the distinct ones).

The product of its digits is 119070, while the sum is 44.

The square root of 7956197 is about 2820.6731466088. The cubic root of 7956197 is about 199.6343067498.

The spelling of 7956197 in words is "seven million, nine hundred fifty-six thousand, one hundred ninety-seven".