6396678 has 16 divisors (see below), whose sum is σ = 14214960. Its totient is φ = 2132208.

The previous prime is 6396661. The next prime is 6396679. The reversal of 6396678 is 8766936.

6396678 is a `hidden beast` number, since 639 + 6 + 6 + 7 + 8 = 666.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396679) 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, 59175 + ... + 59282.

It is an arithmetic number, because the mean of its divisors is an integer number (888435).

Almost surely, 2^6396678 is an apocalyptic number.

6396678 is an abundant number, since it is smaller than the sum of its proper divisors (7818282).

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

6396678 is a wasteful number, since it uses less digits than its factorization.

6396678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118468 (or 118462 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 6396678 is about 2529.1654750134. The cubic root of 6396678 is about 185.6314241221.

The spelling of 6396678 in words is "six million, three hundred ninety-six thousand, six hundred seventy-eight".