6396387696 has 320 divisors, whose sum is σ = 20123712000. Its totient is φ = 1938401280.

The previous prime is 6396387667. The next prime is 6396387749. The reversal of 6396387696 is 6967836936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27931710 + ... + 27931938.

It is an arithmetic number, because the mean of its divisors is an integer number (62886600).

Almost surely, 2^6396387696 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 6396387696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10061856000).

6396387696 is an abundant number, since it is smaller than the sum of its proper divisors (13727324304).

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

6396387696 is a wasteful number, since it uses less digits than its factorization.

6396387696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 377 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 63.

The square root of 6396387696 is about 79977.4199133730. The cubic root of 6396387696 is about 1856.2861587488.

The spelling of 6396387696 in words is "six billion, three hundred ninety-six million, three hundred eighty-seven thousand, six hundred ninety-six".