6398272 has 28 divisors (see below), whose sum is σ = 12778740. Its totient is φ = 3178496.

The previous prime is 6398267. The next prime is 6398281. The reversal of 6398272 is 2728936.

It can be written as a sum of positive squares in 2 ways, for example, as 4393216 + 2005056 = 2096^2 + 1416^2 .

Its product of digits (36288) is a multiple of the sum of its prime divisors (648).

It is a congruent number.

It is an unprimeable number.

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, 16254 + ... + 16642.

Almost surely, 2^6398272 is an apocalyptic number.

It is an amenable number.

6398272 is a deficient number, since it is larger than the sum of its proper divisors (6380468).

6398272 is a wasteful number, since it uses less digits than its factorization.

6398272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 648 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 6398272 is about 2529.4805790913. The cubic root of 6398272 is about 185.6468421206.

It can be divided in two parts, 6398 and 272, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 6398272 in words is "six million, three hundred ninety-eight thousand, two hundred seventy-two".