6393724 has 12 divisors (see below), whose sum is σ = 11675664. Its totient is φ = 3057824.

The previous prime is 6393691. The next prime is 6393731. The reversal of 6393724 is 4273936.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6 + 3 + 9⁷ + 3¹³ + 7 + 2⁵ + 4⁷ .

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 6393724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34657 + ... + 34840.

It is an arithmetic number, because the mean of its divisors is an integer number (972972).

Almost surely, 2^6393724 is an apocalyptic number.

It is an amenable number.

6393724 is a deficient number, since it is larger than the sum of its proper divisors (5281940).

6393724 is a wasteful number, since it uses less digits than its factorization.

6393724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69524 (or 69522 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 6393724 is about 2528.5814204807. The cubic root of 6393724 is about 185.6028447221.

It can be divided in two parts, 6393 and 724, that added together give a palindrome (7117).

The spelling of 6393724 in words is "six million, three hundred ninety-three thousand, seven hundred twenty-four".