6387976 has 32 divisors (see below), whose sum is σ = 14063040. Its totient is φ = 2662848.

The previous prime is 6387961. The next prime is 6387977. The reversal of 6387976 is 6797836.

It is not an unprimeable number, because it can be changed into a prime (6387977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (439470).

Almost surely, 2^6387976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6387976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7031520).

6387976 is an abundant number, since it is smaller than the sum of its proper divisors (7675064).

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

6387976 is a wasteful number, since it uses less digits than its factorization.

6387976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3129 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 6387976 is about 2527.4445592337. Note that the first 3 decimals coincide. The cubic root of 6387976 is about 185.5472086529.

The spelling of 6387976 in words is "six million, three hundred eighty-seven thousand, nine hundred seventy-six".