7897168 has 10 divisors (see below), whose sum is σ = 15300794. Its totient is φ = 3948576.

The previous prime is 7897147. The next prime is 7897177. The reversal of 7897168 is 8617987.

It can be written as a sum of positive squares in only one way, i.e., 4700224 + 3196944 = 2168^2 + 1788^2 .

It is a d-powerful number, because it can be written as 7⁴ + 8⁵ + 9 + 7⁸ + 1 + 6² + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246771 + ... + 246802.

Almost surely, 2^7897168 is an apocalyptic number.

It is an amenable number.

7897168 is a deficient number, since it is larger than the sum of its proper divisors (7403626).

7897168 is a wasteful number, since it uses less digits than its factorization.

7897168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493581 (or 493575 counting only the distinct ones).

The product of its digits is 169344, while the sum is 46.

The square root of 7897168 is about 2810.1900291617. The cubic root of 7897168 is about 199.1393685463.

The spelling of 7897168 in words is "seven million, eight hundred ninety-seven thousand, one hundred sixty-eight".