3805966 has 16 divisors (see below), whose sum is σ = 6140160. Its totient is φ = 1763640.

The previous prime is 3805951. The next prime is 3805979. The reversal of 3805966 is 6695083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (383760).

Almost surely, 2^3805966 is an apocalyptic number.

3805966 is a deficient number, since it is larger than the sum of its proper divisors (2334194).

3805966 is a wasteful number, since it uses less digits than its factorization.

3805966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3805966 is about 1950.8885155231. Note that the first 3 decimals coincide. The cubic root of 3805966 is about 156.1306980523.

The spelling of 3805966 in words is "three million, eight hundred five thousand, nine hundred sixty-six".