6448488 has 32 divisors (see below), whose sum is σ = 16245600. Its totient is φ = 2132928.

The previous prime is 6448483. The next prime is 6448489. The reversal of 6448488 is 8848446.

It is a super-2 number, since 2×6448488² = 83165994972288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6448483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2370 + ... + 4302.

It is an arithmetic number, because the mean of its divisors is an integer number (507675).

Almost surely, 2^6448488 is an apocalyptic number.

It is an amenable number.

6448488 is an abundant number, since it is smaller than the sum of its proper divisors (9797112).

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

6448488 is a wasteful number, since it uses less digits than its factorization.

6448488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2077 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 6448488 is about 2539.3873276836. The cubic root of 6448488 is about 186.1312520236.

Subtracting from 6448488 its sum of digits (42), we obtain a palindrome (6448446).

The spelling of 6448488 in words is "six million, four hundred forty-eight thousand, four hundred eighty-eight".