6448281 has 16 divisors (see below), whose sum is σ = 9974784. Its totient is φ = 3628944.

The previous prime is 6448271. The next prime is 6448289. The reversal of 6448281 is 1828446.

It is not a de Polignac number, because 6448281 - 2⁹ = 6447769 is a prime.

It is a super-2 number, since 2×6448281² = 83160655709922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6448289) 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, 885 + ... + 3698.

It is an arithmetic number, because the mean of its divisors is an integer number (623424).

Almost surely, 2^6448281 is an apocalyptic number.

It is an amenable number.

6448281 is a deficient number, since it is larger than the sum of its proper divisors (3526503).

6448281 is a wasteful number, since it uses less digits than its factorization.

6448281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660.

The product of its digits is 12288, while the sum is 33.

The square root of 6448281 is about 2539.3465694938. The cubic root of 6448281 is about 186.1292603638.

The spelling of 6448281 in words is "six million, four hundred forty-eight thousand, two hundred eighty-one".