6393144 has 16 divisors (see below), whose sum is σ = 15982920. Its totient is φ = 2131040.

The previous prime is 6393131. The next prime is 6393169. The reversal of 6393144 is 4413936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133167 + ... + 133214.

Almost surely, 2^6393144 is an apocalyptic number.

It is an amenable number.

6393144 is an abundant number, since it is smaller than the sum of its proper divisors (9589776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6393144 is a wasteful number, since it uses less digits than its factorization.

6393144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266390 (or 266386 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 6393144 is about 2528.4667290672. The cubic root of 6393144 is about 185.5972322962.

The spelling of 6393144 in words is "six million, three hundred ninety-three thousand, one hundred forty-four".