6426393 has 16 divisors (see below), whose sum is σ = 9056256. Its totient is φ = 4047120.

The previous prime is 6426383. The next prime is 6426397. The reversal of 6426393 is 3936246.

It is not a de Polignac number, because 6426393 - 2⁴ = 6426377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6426397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196 + ... + 4802.

It is an arithmetic number, because the mean of its divisors is an integer number (566016).

Almost surely, 2^6426393 is an apocalyptic number.

It is an amenable number.

6426393 is a deficient number, since it is larger than the sum of its proper divisors (2629863).

6426393 is a wasteful number, since it uses less digits than its factorization.

6426393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its digits is 23328, while the sum is 33.

The square root of 6426393 is about 2535.0331358781. The cubic root of 6426393 is about 185.9184230081.

The spelling of 6426393 in words is "six million, four hundred twenty-six thousand, three hundred ninety-three".