6396992 has 56 divisors (see below), whose sum is σ = 14752320. Its totient is φ = 2695680.

The previous prime is 6396989. The next prime is 6396997. The reversal of 6396992 is 2996936.

6396992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396997) 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, 48767 + ... + 48897.

Almost surely, 2^6396992 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 6396992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7376160).

6396992 is an abundant number, since it is smaller than the sum of its proper divisors (8355328).

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

6396992 is a wasteful number, since it uses less digits than its factorization.

6396992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 249 counting only the distinct ones).

The product of its digits is 157464, while the sum is 44.

The square root of 6396992 is about 2529.2275500635. The cubic root of 6396992 is about 185.6344614963.

The spelling of 6396992 in words is "six million, three hundred ninety-six thousand, nine hundred ninety-two".