6239447 has 2 divisors, whose sum is σ = 6239448. Its totient is φ = 6239446.

The previous prime is 6239423. The next prime is 6239449. The reversal of 6239447 is 7449326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6239447 - 2¹⁰ = 6238423 is a prime.

Together with 6239449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6239449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119723 + 3119724.

It is an arithmetic number, because the mean of its divisors is an integer number (3119724).

Almost surely, 2^6239447 is an apocalyptic number.

6239447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6239447 is an equidigital number, since it uses as much as digits as its factorization.

6239447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 6239447 is about 2497.8885083206. Note that the first 3 decimals coincide. The cubic root of 6239447 is about 184.0978429686.

The spelling of 6239447 in words is "six million, two hundred thirty-nine thousand, four hundred forty-seven".