3941969 has 2 divisors, whose sum is σ = 3941970. Its totient is φ = 3941968.

The previous prime is 3941963. The next prime is 3942007. The reversal of 3941969 is 9691493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3655744 + 286225 = 1912^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 3941969 - 2²⁰ = 2893393 is a prime.

It is a super-2 number, since 2×3941969² = 31078239193922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3941963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970984 + 1970985.

It is an arithmetic number, because the mean of its divisors is an integer number (1970985).

Almost surely, 2^3941969 is an apocalyptic number.

It is an amenable number.

3941969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941969 is an equidigital number, since it uses as much as digits as its factorization.

3941969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 3941969 is about 1985.4392461115. The cubic root of 3941969 is about 157.9687087528.

The spelling of 3941969 in words is "three million, nine hundred forty-one thousand, nine hundred sixty-nine".