3992441 has 2 divisors, whose sum is σ = 3992442. Its totient is φ = 3992440.

The previous prime is 3992419. The next prime is 3992447. The reversal of 3992441 is 1442993.

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., 3385600 + 606841 = 1840^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992441 - 2⁶ = 3992377 is a prime.

It is a super-5 number, since 5×3992441⁵ (a number of 34 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3992398 and 3992407.

It is not a weakly prime, because it can be changed into another prime (3992447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996220 + 1996221.

It is an arithmetic number, because the mean of its divisors is an integer number (1996221).

Almost surely, 2^3992441 is an apocalyptic number.

It is an amenable number.

3992441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992441 is an equidigital number, since it uses as much as digits as its factorization.

3992441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 3992441 is about 1998.1093563667. The cubic root of 3992441 is about 158.6400491054.

The spelling of 3992441 in words is "three million, nine hundred ninety-two thousand, four hundred forty-one".