4147943 has 2 divisors, whose sum is σ = 4147944. Its totient is φ = 4147942.

The previous prime is 4147921. The next prime is 4147961. The reversal of 4147943 is 3497414.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4147943 - 2⁶ = 4147879 is a prime.

It is a super-2 number, since 2×4147943² = 34410862262498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4147963) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073971 + 2073972.

It is an arithmetic number, because the mean of its divisors is an integer number (2073972).

Almost surely, 2^4147943 is an apocalyptic number.

4147943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4147943 is an equidigital number, since it uses as much as digits as its factorization.

4147943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 4147943 is about 2036.6499453760. The cubic root of 4147943 is about 160.6735021359.

The spelling of 4147943 in words is "four million, one hundred forty-seven thousand, nine hundred forty-three".