6442912 has 48 divisors (see below), whose sum is σ = 14817600. Its totient is φ = 2756544.

The previous prime is 6442897. The next prime is 6442937. The reversal of 6442912 is 2192446.

It is a super-2 number, since 2×6442912² = 83022230079488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 10683 + ... + 11269.

It is an arithmetic number, because the mean of its divisors is an integer number (308700).

Almost surely, 2^6442912 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 6442912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7408800).

6442912 is an abundant number, since it is smaller than the sum of its proper divisors (8374688).

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

6442912 is an equidigital number, since it uses as much as digits as its factorization.

6442912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 596 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 6442912 is about 2538.2891876222. The cubic root of 6442912 is about 186.0775873943.

The spelling of 6442912 in words is "six million, four hundred forty-two thousand, nine hundred twelve".