6393143 has 8 divisors (see below), whose sum is σ = 6512400. Its totient is φ = 6275200.

The previous prime is 6393131. The next prime is 6393169. The reversal of 6393143 is 3413936.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6393143 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 (6393943) 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, 15743 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (814050).

Almost surely, 2^6393143 is an apocalyptic number.

6393143 is a deficient number, since it is larger than the sum of its proper divisors (119257).

6393143 is a wasteful number, since it uses less digits than its factorization.

6393143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its digits is 5832, while the sum is 29.

The square root of 6393143 is about 2528.4665313189. The cubic root of 6393143 is about 185.5972226193.

The spelling of 6393143 in words is "six million, three hundred ninety-three thousand, one hundred forty-three".