3966850 has 12 divisors (see below), whose sum is σ = 7378434. Its totient is φ = 1586720.

The previous prime is 3966817. The next prime is 3966857. The reversal of 3966850 is 586693.

It can be written as a sum of positive squares in 3 ways, for example, as 2070721 + 1896129 = 1439^2 + 1377^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3966857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39619 + ... + 39718.

Almost surely, 2^3966850 is an apocalyptic number.

3966850 is a deficient number, since it is larger than the sum of its proper divisors (3411584).

3966850 is a wasteful number, since it uses less digits than its factorization.

3966850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79349 (or 79344 counting only the distinct ones).

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

The square root of 3966850 is about 1991.6952578143. The cubic root of 3966850 is about 158.3003686374.

The spelling of 3966850 in words is "three million, nine hundred sixty-six thousand, eight hundred fifty".