3977168 has 20 divisors (see below), whose sum is σ = 8298948. Its totient is φ = 1835520.

The previous prime is 3977161. The next prime is 3977177. The reversal of 3977168 is 8617793.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 1926544 = 1432^2 + 1388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977161) 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 3 ways as a sum of consecutive naturals, for example, 9353 + ... + 9768.

Almost surely, 2^3977168 is an apocalyptic number.

It is an amenable number.

3977168 is an abundant number, since it is smaller than the sum of its proper divisors (4321780).

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

3977168 is a wasteful number, since it uses less digits than its factorization.

3977168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19142 (or 19136 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 3977168 is about 1994.2838313540. The cubic root of 3977168 is about 158.4374991992.

The spelling of 3977168 in words is "three million, nine hundred seventy-seven thousand, one hundred sixty-eight".