3966237 has 12 divisors (see below), whose sum is σ = 6249984. Its totient is φ = 2403720.

The previous prime is 3966229. The next prime is 3966239. The reversal of 3966237 is 7326693.

3966237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3966237 - 2³ = 3966229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19933 + ... + 20130.

It is an arithmetic number, because the mean of its divisors is an integer number (520832).

Almost surely, 2^3966237 is an apocalyptic number.

It is an amenable number.

3966237 is a deficient number, since it is larger than the sum of its proper divisors (2283747).

3966237 is a wasteful number, since it uses less digits than its factorization.

3966237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40080 (or 40077 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 3966237 is about 1991.5413628645. The cubic root of 3966237 is about 158.2922141299.

The spelling of 3966237 in words is "three million, nine hundred sixty-six thousand, two hundred thirty-seven".