6398016 has 56 divisors (see below), whose sum is σ = 17312640. Its totient is φ = 2084352.

The previous prime is 6397999. The next prime is 6398017. The reversal of 6398016 is 6108936.

It is not an unprimeable number, because it can be changed into a prime (6398017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670 + ... + 9378.

Almost surely, 2^6398016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6398016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8656320).

6398016 is an abundant number, since it is smaller than the sum of its proper divisors (10914624).

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

6398016 is a wasteful number, since it uses less digits than its factorization.

6398016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 6398016 is about 2529.4299753106. The cubic root of 6398016 is about 185.6443661278.

The spelling of 6398016 in words is "six million, three hundred ninety-eight thousand, sixteen".