6943487 has 2 divisors, whose sum is σ = 6943488. Its totient is φ = 6943486.

The previous prime is 6943483. The next prime is 6943501. The reversal of 6943487 is 7843496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6943487 - 2² = 6943483 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6943481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471743 + 3471744.

It is an arithmetic number, because the mean of its divisors is an integer number (3471744).

Almost surely, 2^6943487 is an apocalyptic number.

6943487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6943487 is an equidigital number, since it uses as much as digits as its factorization.

6943487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 6943487 is about 2635.0497149010. The cubic root of 6943487 is about 190.7769386869.

Subtracting 6943487 from its reverse (7843496), we obtain a palindrome (900009).

The spelling of 6943487 in words is "six million, nine hundred forty-three thousand, four hundred eighty-seven".