6447324 has 48 divisors (see below), whose sum is σ = 16653728. Its totient is φ = 1928448.

The previous prime is 6447323. The next prime is 6447391. The reversal of 6447324 is 4237446.

It is a junction number, because it is equal to n+sod(n) for n = 6447291 and 6447300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5214 + ... + 6330.

Almost surely, 2^6447324 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 6447324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8326864).

6447324 is an abundant number, since it is smaller than the sum of its proper divisors (10206404).

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

6447324 is a wasteful number, since it uses less digits than its factorization.

6447324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1172 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 6447324 is about 2539.1581281992. The cubic root of 6447324 is about 186.1200519916.

The spelling of 6447324 in words is "six million, four hundred forty-seven thousand, three hundred twenty-four".