6434397 has 12 divisors (see below), whose sum is σ = 9638720. Its totient is φ = 4289436.

The previous prime is 6434383. The next prime is 6434401. The reversal of 6434397 is 7934346.

6434397 is a `hidden beast` number, since 643 + 4 + 3 + 9 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-6434397 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 (6434377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12997 + ... + 13482.

Almost surely, 2^6434397 is an apocalyptic number.

It is an amenable number.

6434397 is a deficient number, since it is larger than the sum of its proper divisors (3204323).

6434397 is an equidigital number, since it uses as much as digits as its factorization.

6434397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26494 (or 26482 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 6434397 is about 2536.6113222171. The cubic root of 6434397 is about 185.9955774183.

The spelling of 6434397 in words is "six million, four hundred thirty-four thousand, three hundred ninety-seven".