6381397 has 12 divisors (see below), whose sum is σ = 7351776. Its totient is φ = 5492520.

The previous prime is 6381379. The next prime is 6381407. The reversal of 6381397 is 7931836.

It is a de Polignac number, because none of the positive numbers 2^k-6381397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3168 + ... + 4774.

It is an arithmetic number, because the mean of its divisors is an integer number (612648).

Almost surely, 2^6381397 is an apocalyptic number.

It is an amenable number.

6381397 is a deficient number, since it is larger than the sum of its proper divisors (970379).

6381397 is a wasteful number, since it uses less digits than its factorization.

6381397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1637 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 6381397 is about 2526.1427117247. The cubic root of 6381397 is about 185.4834881882.

The spelling of 6381397 in words is "six million, three hundred eighty-one thousand, three hundred ninety-seven".