6530448 has 80 divisors (see below), whose sum is σ = 18320256. Its totient is φ = 1996800.

The previous prime is 6530443. The next prime is 6530473. The reversal of 6530448 is 8440356.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6530443) 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, 43173 + ... + 43323.

Almost surely, 2^6530448 is an apocalyptic number.

6530448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6530448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9160128).

6530448 is an abundant number, since it is smaller than the sum of its proper divisors (11789808).

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

6530448 is a wasteful number, since it uses less digits than its factorization.

6530448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6530448 is about 2555.4741243065. The cubic root of 6530448 is about 186.9165078583.

The spelling of 6530448 in words is "six million, five hundred thirty thousand, four hundred forty-eight".