3963166 has 4 divisors (see below), whose sum is σ = 5944752. Its totient is φ = 1981582.

The previous prime is 3963161. The next prime is 3963209. The reversal of 3963166 is 6613693.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6613693 = 401 ⋅16493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963161) 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 as a sum of consecutive naturals, namely, 990790 + ... + 990793.

It is an arithmetic number, because the mean of its divisors is an integer number (1486188).

Almost surely, 2^3963166 is an apocalyptic number.

3963166 is a deficient number, since it is larger than the sum of its proper divisors (1981586).

3963166 is a wasteful number, since it uses less digits than its factorization.

3963166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981585.

The product of its digits is 17496, while the sum is 34.

The square root of 3963166 is about 1990.7702027105. The cubic root of 3963166 is about 158.2513491229.

It can be divided in two parts, 396 and 3166, that multiplied together give a triangular number (1253736 = T₁₅₈₃).

The spelling of 3963166 in words is "three million, nine hundred sixty-three thousand, one hundred sixty-six".