6397738 has 8 divisors (see below), whose sum is σ = 9633888. Its totient is φ = 3186444.

The previous prime is 6397733. The next prime is 6397751. The reversal of 6397738 is 8377936.

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

It is a junction number, because it is equal to n+sod(n) for n = 6397694 and 6397703.

It is not an unprimeable number, because it can be changed into a prime (6397733) 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, 5556 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (1204236).

Almost surely, 2^6397738 is an apocalyptic number.

6397738 is a deficient number, since it is larger than the sum of its proper divisors (3236150).

6397738 is a wasteful number, since it uses less digits than its factorization.

6397738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428.

The product of its digits is 190512, while the sum is 43.

The square root of 6397738 is about 2529.3750216210. The cubic root of 6397738 is about 185.6416772797.

The spelling of 6397738 in words is "six million, three hundred ninety-seven thousand, seven hundred thirty-eight".