6391948 has 12 divisors (see below), whose sum is σ = 11571840. Its totient is φ = 3085712.

The previous prime is 6391939. The next prime is 6391963. The reversal of 6391948 is 8491936.

6391948 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6391948.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27436 + ... + 27667.

It is an arithmetic number, because the mean of its divisors is an integer number (964320).

Almost surely, 2^6391948 is an apocalyptic number.

It is an amenable number.

6391948 is a deficient number, since it is larger than the sum of its proper divisors (5179892).

6391948 is a wasteful number, since it uses less digits than its factorization.

6391948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55136 (or 55134 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 6391948 is about 2528.2302110370. The cubic root of 6391948 is about 185.5856580153.

The spelling of 6391948 in words is "six million, three hundred ninety-one thousand, nine hundred forty-eight".