6398843532 has 24 divisors (see below), whose sum is σ = 15070176576. Its totient is φ = 2113013328.

The previous prime is 6398843489. The next prime is 6398843569. The reversal of 6398843532 is 2353488936.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490478 + ... + 2493045.

It is an arithmetic number, because the mean of its divisors is an integer number (627924024).

Almost surely, 2^6398843532 is an apocalyptic number.

It is an amenable number.

6398843532 is an abundant number, since it is smaller than the sum of its proper divisors (8671333044).

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

6398843532 is a wasteful number, since it uses less digits than its factorization.

6398843532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983637 (or 4983635 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The square root of 6398843532 is about 79992.7717484524. The cubic root of 6398843532 is about 1856.5236965220.

The spelling of 6398843532 in words is "six billion, three hundred ninety-eight million, eight hundred forty-three thousand, five hundred thirty-two".