3964166 has 4 divisors (see below), whose sum is σ = 5946252. Its totient is φ = 1982082.

The previous prime is 3964157. The next prime is 3964183. The reversal of 3964166 is 6614693.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3964166² = 31429224151112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991040 + ... + 991043.

It is an arithmetic number, because the mean of its divisors is an integer number (1486563).

Almost surely, 2^3964166 is an apocalyptic number.

3964166 is a deficient number, since it is larger than the sum of its proper divisors (1982086).

3964166 is a wasteful number, since it uses less digits than its factorization.

3964166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982085.

The product of its digits is 23328, while the sum is 35.

The square root of 3964166 is about 1991.0213459428. The cubic root of 3964166 is about 158.2646581828.

The spelling of 3964166 in words is "three million, nine hundred sixty-four thousand, one hundred sixty-six".