3992141 has 2 divisors, whose sum is σ = 3992142. Its totient is φ = 3992140.

The previous prime is 3992123. The next prime is 3992143. The reversal of 3992141 is 1412993.

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., 3960100 + 32041 = 1990^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992141 - 2¹⁸ = 3729997 is a prime.

Together with 3992143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3992143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996070 + 1996071.

It is an arithmetic number, because the mean of its divisors is an integer number (1996071).

Almost surely, 2^3992141 is an apocalyptic number.

It is an amenable number.

3992141 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992141 is an equidigital number, since it uses as much as digits as its factorization.

3992141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 3992141 is about 1998.0342839901. The cubic root of 3992141 is about 158.6360754957.

The spelling of 3992141 in words is "three million, nine hundred ninety-two thousand, one hundred forty-one".