6396968 has 8 divisors (see below), whose sum is σ = 11994330. Its totient is φ = 3198480.

The previous prime is 6396961. The next prime is 6396983. The reversal of 6396968 is 8696936.

It can be written as a sum of positive squares in only one way, i.e., 6340324 + 56644 = 2518^2 + 238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6396961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399803 + ... + 399818.

Almost surely, 2^6396968 is an apocalyptic number.

It is an amenable number.

6396968 is a deficient number, since it is larger than the sum of its proper divisors (5597362).

6396968 is a wasteful number, since it uses less digits than its factorization.

6396968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799627 (or 799623 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 6396968 is about 2529.2228055274. Note that the first 3 decimals coincide. The cubic root of 6396968 is about 185.6342293438.

Subtracting 6396968 from its reverse (8696936), we obtain a cube (2299968 = 132³).

The spelling of 6396968 in words is "six million, three hundred ninety-six thousand, nine hundred sixty-eight".