3966229 has 2 divisors, whose sum is σ = 3966230. Its totient is φ = 3966228.

The previous prime is 3966223. The next prime is 3966239. The reversal of 3966229 is 9226693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3204100 + 762129 = 1790^2 + 873^2 .

It is a cyclic number.

It is not a de Polignac number, because 3966229 - 2⁵ = 3966197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3966223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983114 + 1983115.

It is an arithmetic number, because the mean of its divisors is an integer number (1983115).

Almost surely, 2^3966229 is an apocalyptic number.

It is an amenable number.

3966229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3966229 is an equidigital number, since it uses as much as digits as its factorization.

3966229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The square root of 3966229 is about 1991.5393543689. The cubic root of 3966229 is about 158.2921077034.

The spelling of 3966229 in words is "three million, nine hundred sixty-six thousand, two hundred twenty-nine".