6396906886 has 8 divisors (see below), whose sum is σ = 9752661504. Its totient is φ = 3146019720.

The previous prime is 6396906883. The next prime is 6396906937. The reversal of 6396906886 is 6886096936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396906883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26216710 + ... + 26216953.

It is an arithmetic number, because the mean of its divisors is an integer number (1219082688).

Almost surely, 2^6396906886 is an apocalyptic number.

6396906886 is a deficient number, since it is larger than the sum of its proper divisors (3355754618).

6396906886 is a wasteful number, since it uses less digits than its factorization.

6396906886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52433726.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The square root of 6396906886 is about 79980.6657011556. The cubic root of 6396906886 is about 1856.3363818425.

The spelling of 6396906886 in words is "six billion, three hundred ninety-six million, nine hundred six thousand, eight hundred eighty-six".