6423888 has 20 divisors (see below), whose sum is σ = 16595168. Its totient is φ = 2141280.

The previous prime is 6423883. The next prime is 6423889. The reversal of 6423888 is 8883246.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66868 + ... + 66963.

Almost surely, 2^6423888 is an apocalyptic number.

It is an amenable number.

6423888 is an abundant number, since it is smaller than the sum of its proper divisors (10171280).

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

6423888 is a wasteful number, since it uses less digits than its factorization.

6423888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133842 (or 133836 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 6423888 is about 2534.5390113391. The cubic root of 6423888 is about 185.8942629452.

The spelling of 6423888 in words is "six million, four hundred twenty-three thousand, eight hundred eighty-eight".