6481608 has 64 divisors (see below), whose sum is σ = 18990720. Its totient is φ = 1804800.

The previous prime is 6481591. The next prime is 6481609. The reversal of 6481608 is 8061846.

It is a super-2 number, since 2×6481608² = 84022484531328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6481609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6418 + ... + 7358.

It is an arithmetic number, because the mean of its divisors is an integer number (296730).

Almost surely, 2^6481608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6481608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9495360).

6481608 is an abundant number, since it is smaller than the sum of its proper divisors (12509112).

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

6481608 is a wasteful number, since it uses less digits than its factorization.

6481608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 6481608 is about 2545.9002337091. The cubic root of 6481608 is about 186.4493701617.

The spelling of 6481608 in words is "six million, four hundred eighty-one thousand, six hundred eight".