6445248 has 28 divisors (see below), whose sum is σ = 17053560. Its totient is φ = 2148352.

The previous prime is 6445247. The next prime is 6445259. The reversal of 6445248 is 8425446.

It is not an unprimeable number, because it can be changed into a prime (6445247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16593 + ... + 16976.

Almost surely, 2^6445248 is an apocalyptic number.

It is an amenable number.

6445248 is an abundant number, since it is smaller than the sum of its proper divisors (10608312).

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

6445248 is a wasteful number, since it uses less digits than its factorization.

6445248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33584 (or 33574 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 6445248 is about 2538.7492983751. The cubic root of 6445248 is about 186.1000733304.

The spelling of 6445248 in words is "six million, four hundred forty-five thousand, two hundred forty-eight".