4067971 has 2 divisors, whose sum is σ = 4067972. Its totient is φ = 4067970.

The previous prime is 4067969. The next prime is 4067983. The reversal of 4067971 is 1797604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4067971 - 2¹ = 4067969 is a prime.

Together with 4067969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4067951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033985 + 2033986.

It is an arithmetic number, because the mean of its divisors is an integer number (2033986).

Almost surely, 2^4067971 is an apocalyptic number.

4067971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4067971 is an equidigital number, since it uses as much as digits as its factorization.

4067971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 4067971 is about 2016.9211685140. The cubic root of 4067971 is about 159.6342034051.

The spelling of 4067971 in words is "four million, sixty-seven thousand, nine hundred seventy-one".