6943403 has 2 divisors, whose sum is σ = 6943404. Its totient is φ = 6943402.

The previous prime is 6943399. The next prime is 6943421. The reversal of 6943403 is 3043496.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6943403 - 2² = 6943399 is a prime.

It is not a weakly prime, because it can be changed into another prime (6943483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471701 + 3471702.

It is an arithmetic number, because the mean of its divisors is an integer number (3471702).

Almost surely, 2^6943403 is an apocalyptic number.

6943403 is a deficient number, since it is larger than the sum of its proper divisors (1).

6943403 is an equidigital number, since it uses as much as digits as its factorization.

6943403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 6943403 is about 2635.0337758746. The cubic root of 6943403 is about 190.7761693651.

Adding to 6943403 its reverse (3043496), we get a palindrome (9986899).

The spelling of 6943403 in words is "six million, nine hundred forty-three thousand, four hundred three".