6449312 has 36 divisors (see below), whose sum is σ = 13118490. Its totient is φ = 3120768.

The previous prime is 6449309. The next prime is 6449321. The reversal of 6449312 is 2139446.

It can be written as a sum of positive squares in only one way, i.e., 4999696 + 1449616 = 2236^2 + 1204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59114 + ... + 59222.

Almost surely, 2^6449312 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 6449312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6559245).

6449312 is an abundant number, since it is smaller than the sum of its proper divisors (6669178).

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

6449312 is a wasteful number, since it uses less digits than its factorization.

6449312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 154 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 6449312 is about 2539.5495663601. The cubic root of 6449312 is about 186.1391797538.

The spelling of 6449312 in words is "six million, four hundred forty-nine thousand, three hundred twelve".