3992201 has 2 divisors, whose sum is σ = 3992202. Its totient is φ = 3992200.

The previous prime is 3992171. The next prime is 3992203. The reversal of 3992201 is 1022993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3798601 + 193600 = 1949^2 + 440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3992201 is a prime.

Together with 3992203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3992203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996100 + 1996101.

It is an arithmetic number, because the mean of its divisors is an integer number (1996101).

Almost surely, 2^3992201 is an apocalyptic number.

It is an amenable number.

3992201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992201 is an equidigital number, since it uses as much as digits as its factorization.

3992201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3992201 is about 1998.0492986911. The cubic root of 3992201 is about 158.6368702336.

The spelling of 3992201 in words is "three million, nine hundred ninety-two thousand, two hundred one".