6397049 has 4 divisors (see below), whose sum is σ = 6773364. Its totient is φ = 6020736.

The previous prime is 6397033. The next prime is 6397051. The reversal of 6397049 is 9407936.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4380649 + 2016400 = 2093^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 6397049 - 2⁴ = 6397033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6397019) 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, 188132 + ... + 188165.

It is an arithmetic number, because the mean of its divisors is an integer number (1693341).

Almost surely, 2^6397049 is an apocalyptic number.

It is an amenable number.

6397049 is a deficient number, since it is larger than the sum of its proper divisors (376315).

6397049 is a wasteful number, since it uses less digits than its factorization.

6397049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376314.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 6397049 is about 2529.2388183009. The cubic root of 6397049 is about 185.6350128561.

The spelling of 6397049 in words is "six million, three hundred ninety-seven thousand, forty-nine".