6396224 has 28 divisors (see below), whose sum is σ = 12801600. Its totient is φ = 3170688.

The previous prime is 6396223. The next prime is 6396239. The reversal of 6396224 is 4226936.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396223) 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, 8537 + ... + 9255.

It is an arithmetic number, because the mean of its divisors is an integer number (457200).

Almost surely, 2^6396224 is an apocalyptic number.

6396224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6396224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

6396224 is a wasteful number, since it uses less digits than its factorization.

6396224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 860 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 6396224 is about 2529.0757204955. The cubic root of 6396224 is about 185.6270323289.

The spelling of 6396224 in words is "six million, three hundred ninety-six thousand, two hundred twenty-four".