6488881 has 4 divisors (see below), whose sum is σ = 7415872. Its totient is φ = 5561892.

The previous prime is 6488869. The next prime is 6488887. The reversal of 6488881 is 1888846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6488881 - 2¹⁵ = 6456113 is a prime.

It is a super-2 number, since 2×6488881² = 84211153264322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6488887) 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, 463485 + ... + 463498.

It is an arithmetic number, because the mean of its divisors is an integer number (1853968).

Almost surely, 2^6488881 is an apocalyptic number.

It is an amenable number.

6488881 is a deficient number, since it is larger than the sum of its proper divisors (926991).

6488881 is an equidigital number, since it uses as much as digits as its factorization.

6488881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926990.

The product of its digits is 98304, while the sum is 43.

The square root of 6488881 is about 2547.3282081428. The cubic root of 6488881 is about 186.5190822547.

The spelling of 6488881 in words is "six million, four hundred eighty-eight thousand, eight hundred eighty-one".