6311943 has 24 divisors (see below), whose sum is σ = 10058880. Its totient is φ = 3782160.

The previous prime is 6311939. The next prime is 6311953. The reversal of 6311943 is 3491136.

It is not a de Polignac number, because 6311943 - 2² = 6311939 is a prime.

6311943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9888 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (419120).

Almost surely, 2^6311943 is an apocalyptic number.

6311943 is a deficient number, since it is larger than the sum of its proper divisors (3746937).

6311943 is a wasteful number, since it uses less digits than its factorization.

6311943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 736 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 6311943 is about 2512.3580556919. The cubic root of 6311943 is about 184.8081087969.

The spelling of 6311943 in words is "six million, three hundred eleven thousand, nine hundred forty-three".