3966365 has 16 divisors (see below), whose sum is σ = 5174400. Its totient is φ = 2901312.

The previous prime is 3966349. The next prime is 3966407. The reversal of 3966365 is 5636693.

3966365 = T₁₆₆ + T₁₆₇ + ... + T₃₀₄.

It is a cyclic number.

It is not a de Polignac number, because 3966365 - 2⁴ = 3966349 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8816 + ... + 9254.

It is an arithmetic number, because the mean of its divisors is an integer number (323400).

Almost surely, 2^3966365 is an apocalyptic number.

It is an amenable number.

3966365 is a deficient number, since it is larger than the sum of its proper divisors (1208035).

3966365 is a wasteful number, since it uses less digits than its factorization.

3966365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 87480, while the sum is 38.

The square root of 3966365 is about 1991.5734985182. The cubic root of 3966365 is about 158.2939169350.

The spelling of 3966365 in words is "three million, nine hundred sixty-six thousand, three hundred sixty-five".