6443384 has 16 divisors (see below), whose sum is σ = 12171600. Its totient is φ = 3197632.

The previous prime is 6443383. The next prime is 6443389. The reversal of 6443384 is 4833446.

It is a d-powerful number, because it can be written as 6² + 4⁴ + 4⁴ + 3¹³ + 3¹⁴ + 8 + 4⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 6443384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844 + ... + 4035.

It is an arithmetic number, because the mean of its divisors is an integer number (760725).

Almost surely, 2^6443384 is an apocalyptic number.

It is an amenable number.

6443384 is a deficient number, since it is larger than the sum of its proper divisors (5728216).

6443384 is a wasteful number, since it uses less digits than its factorization.

6443384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022 (or 6018 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 6443384 is about 2538.3821619291. The cubic root of 6443384 is about 186.0821312236.

The spelling of 6443384 in words is "six million, four hundred forty-three thousand, three hundred eighty-four".