3964966 has 8 divisors (see below), whose sum is σ = 5955984. Its totient is φ = 1979640.

The previous prime is 3964963. The next prime is 3964973. The reversal of 3964966 is 6694693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (744498).

Almost surely, 2^3964966 is an apocalyptic number.

3964966 is a deficient number, since it is larger than the sum of its proper divisors (1991018).

3964966 is a wasteful number, since it uses less digits than its factorization.

3964966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846.

The product of its digits is 209952, while the sum is 43.

The square root of 3964966 is about 1991.2222377223. Note that the first 4 decimals coincide. The cubic root of 3964966 is about 158.2753038193.

The spelling of 3964966 in words is "three million, nine hundred sixty-four thousand, nine hundred sixty-six".