6347947 has 2 divisors, whose sum is σ = 6347948. Its totient is φ = 6347946.

The previous prime is 6347941. The next prime is 6347959. The reversal of 6347947 is 7497436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6347947 - 2⁷ = 6347819 is a prime.

It is a super-2 number, since 2×6347947² = 80592862229618, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6347941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173973 + 3173974.

It is an arithmetic number, because the mean of its divisors is an integer number (3173974).

Almost surely, 2^6347947 is an apocalyptic number.

6347947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6347947 is an equidigital number, since it uses as much as digits as its factorization.

6347947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 6347947 is about 2519.5132466411. The cubic root of 6347947 is about 185.1588312132.

The spelling of 6347947 in words is "six million, three hundred forty-seven thousand, nine hundred forty-seven".