3992371 has 2 divisors, whose sum is σ = 3992372. Its totient is φ = 3992370.

The previous prime is 3992357. The next prime is 3992377. The reversal of 3992371 is 1732993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3992371 - 2⁷ = 3992243 is a prime.

It is not a weakly prime, because it can be changed into another prime (3992377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996185 + 1996186.

It is an arithmetic number, because the mean of its divisors is an integer number (1996186).

Almost surely, 2^3992371 is an apocalyptic number.

3992371 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992371 is an equidigital number, since it uses as much as digits as its factorization.

3992371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 34.

The square root of 3992371 is about 1998.0918397311. The cubic root of 3992371 is about 158.6391219476.

The spelling of 3992371 in words is "three million, nine hundred ninety-two thousand, three hundred seventy-one".