6449382 has 40 divisors (see below), whose sum is σ = 14819112. Its totient is φ = 2095200.

The previous prime is 6449363. The next prime is 6449413. The reversal of 6449382 is 2839446.

It is a happy number.

6449382 is a `hidden beast` number, since 644 + 9 + 3 + 8 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6157 + ... + 7127.

Almost surely, 2^6449382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6449382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7409556).

6449382 is an abundant number, since it is smaller than the sum of its proper divisors (8369730).

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

6449382 is a wasteful number, since it uses less digits than its factorization.

6449382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1017 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6449382 is about 2539.5633482943. The cubic root of 6449382 is about 186.1398531949.

The spelling of 6449382 in words is "six million, four hundred forty-nine thousand, three hundred eighty-two".