3944617 has 2 divisors, whose sum is σ = 3944618. Its totient is φ = 3944616.

The previous prime is 3944599. The next prime is 3944621. The reversal of 3944617 is 7164493.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 1218816 = 1651^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 3944617 - 2¹¹ = 3942569 is a prime.

It is not a weakly prime, because it can be changed into another prime (3944627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972308 + 1972309.

It is an arithmetic number, because the mean of its divisors is an integer number (1972309).

Almost surely, 2^3944617 is an apocalyptic number.

It is an amenable number.

3944617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3944617 is an equidigital number, since it uses as much as digits as its factorization.

3944617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 3944617 is about 1986.1059891154. The cubic root of 3944617 is about 158.0040724261.

The spelling of 3944617 in words is "three million, nine hundred forty-four thousand, six hundred seventeen".