6311980 has 12 divisors (see below), whose sum is σ = 13255200. Its totient is φ = 2524784.

The previous prime is 6311957. The next prime is 6311983. The reversal of 6311980 is 891136.

It is a happy number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6311983) 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 3 ways as a sum of consecutive naturals, for example, 157780 + ... + 157819.

It is an arithmetic number, because the mean of its divisors is an integer number (1104600).

Almost surely, 2^6311980 is an apocalyptic number.

It is an amenable number.

6311980 is an abundant number, since it is smaller than the sum of its proper divisors (6943220).

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

6311980 is a wasteful number, since it uses less digits than its factorization.

6311980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315608 (or 315606 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 6311980 is about 2512.3654192812. The cubic root of 6311980 is about 184.8084699053.

The spelling of 6311980 in words is "six million, three hundred eleven thousand, nine hundred eighty".