396071671 has 2 divisors, whose sum is σ = 396071672. Its totient is φ = 396071670.

The previous prime is 396071659. The next prime is 396071713. The reversal of 396071671 is 176170693.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396071671 - 2¹¹ = 396069623 is a prime.

It is a super-3 number, since 3×396071671³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396071971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198035835 + 198035836.

It is an arithmetic number, because the mean of its divisors is an integer number (198035836).

Almost surely, 2^396071671 is an apocalyptic number.

396071671 is a deficient number, since it is larger than the sum of its proper divisors (1).

396071671 is an equidigital number, since it uses as much as digits as its factorization.

396071671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 396071671 is about 19901.5494622906. The cubic root of 396071671 is about 734.3863457453.

The spelling of 396071671 in words is "three hundred ninety-six million, seventy-one thousand, six hundred seventy-one".