6397449 has 4 divisors (see below), whose sum is σ = 8529936. Its totient is φ = 4264964.

The previous prime is 6397421. The next prime is 6397451. The reversal of 6397449 is 9447936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6397449 - 2⁹ = 6396937 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6397449.

It is not an unprimeable number, because it can be changed into a prime (6397549) 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, 1066239 + ... + 1066244.

It is an arithmetic number, because the mean of its divisors is an integer number (2132484).

Almost surely, 2^6397449 is an apocalyptic number.

It is an amenable number.

6397449 is a deficient number, since it is larger than the sum of its proper divisors (2132487).

6397449 is a wasteful number, since it uses less digits than its factorization.

6397449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132486.

The product of its digits is 163296, while the sum is 42.

The square root of 6397449 is about 2529.3178922389. The cubic root of 6397449 is about 185.6388819556.

The spelling of 6397449 in words is "six million, three hundred ninety-seven thousand, four hundred forty-nine".