6397441 has 8 divisors (see below), whose sum is σ = 6537384. Its totient is φ = 6259200.

The previous prime is 6397421. The next prime is 6397451. The reversal of 6397441 is 1447936.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1575025 + 4822416 = 1255^2 + 2196^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6397441 - 2¹³ = 6389249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6397397 and 6397406.

It is not an unprimeable number, because it can be changed into a prime (6397421) 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, 9471 + ... + 10123.

It is an arithmetic number, because the mean of its divisors is an integer number (817173).

Almost surely, 2^6397441 is an apocalyptic number.

It is an amenable number.

6397441 is a deficient number, since it is larger than the sum of its proper divisors (139943).

6397441 is a wasteful number, since it uses less digits than its factorization.

6397441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 18144, while the sum is 34.

The square root of 6397441 is about 2529.3163107844. The cubic root of 6397441 is about 185.6388045752.

The spelling of 6397441 in words is "six million, three hundred ninety-seven thousand, four hundred forty-one".