3897168 has 80 divisors (see below), whose sum is σ = 11255232. Its totient is φ = 1161600.

The previous prime is 3897161. The next prime is 3897181. The reversal of 3897168 is 8617983.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63858 + ... + 63918.

Almost surely, 2^3897168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3897168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5627616).

3897168 is an abundant number, since it is smaller than the sum of its proper divisors (7358064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3897168 is a wasteful number, since it uses less digits than its factorization.

3897168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 77 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 3897168 is about 1974.1246161274. The cubic root of 3897168 is about 157.3679820909.

It can be divided in two parts, 389 and 7168, that added together give a palindrome (7557).

The spelling of 3897168 in words is "three million, eight hundred ninety-seven thousand, one hundred sixty-eight".