6311940 has 24 divisors (see below), whose sum is σ = 17673600. Its totient is φ = 1683168.

The previous prime is 6311939. The next prime is 6311953. The reversal of 6311940 is 491136.

It is a self number, because there is not a number n which added to its sum of digits gives 6311940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52540 + ... + 52659.

It is an arithmetic number, because the mean of its divisors is an integer number (736400).

Almost surely, 2^6311940 is an apocalyptic number.

6311940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6311940 is an abundant number, since it is smaller than the sum of its proper divisors (11361660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6311940 is a wasteful number, since it uses less digits than its factorization.

6311940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105211 (or 105209 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 6311940 is about 2512.3574586432. The cubic root of 6311940 is about 184.8080795178.

The spelling of 6311940 in words is "six million, three hundred eleven thousand, nine hundred forty".