6397437 has 8 divisors (see below), whose sum is σ = 8542240. Its totient is φ = 4258800.

The previous prime is 6397421. The next prime is 6397451. The reversal of 6397437 is 7347936.

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

It is not a de Polignac number, because 6397437 - 2⁴ = 6397421 is a prime.

It is a d-powerful number, because it can be written as 6 + 3⁹ + 9⁷ + 7² + 4³ + 3¹³ + 7³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6397395 and 6397404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397837) 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, 2139 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (1067780).

Almost surely, 2^6397437 is an apocalyptic number.

It is an amenable number.

6397437 is a deficient number, since it is larger than the sum of its proper divisors (2144803).

6397437 is a wasteful number, since it uses less digits than its factorization.

6397437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083.

The product of its digits is 95256, while the sum is 39.

The square root of 6397437 is about 2529.3155200568. The cubic root of 6397437 is about 185.6387658850.

The spelling of 6397437 in words is "six million, three hundred ninety-seven thousand, four hundred thirty-seven".