6398672 has 20 divisors (see below), whose sum is σ = 14168736. Its totient is φ = 2742240.

The previous prime is 6398671. The next prime is 6398723. The reversal of 6398672 is 2768936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398671) 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, 28454 + ... + 28677.

Almost surely, 2^6398672 is an apocalyptic number.

It is an amenable number.

6398672 is an abundant number, since it is smaller than the sum of its proper divisors (7770064).

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

6398672 is a wasteful number, since it uses less digits than its factorization.

6398672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57146 (or 57140 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 6398672 is about 2529.5596454719. The cubic root of 6398672 is about 185.6507107271.

The spelling of 6398672 in words is "six million, three hundred ninety-eight thousand, six hundred seventy-two".