6481636 has 24 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 2743392.

The previous prime is 6481627. The next prime is 6481639. The reversal of 6481636 is 6361846.

6481636 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6481639) 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, 930 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^6481636 is an apocalyptic number.

It is an amenable number.

6481636 is an abundant number, since it is smaller than the sum of its proper divisors (6642524).

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

6481636 is a wasteful number, since it uses less digits than its factorization.

6481636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883 (or 2881 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 6481636 is about 2545.9057327403. The cubic root of 6481636 is about 186.4496386431.

It can be divided in two parts, 6481 and 636, that added together give a palindrome (7117).

The spelling of 6481636 in words is "six million, four hundred eighty-one thousand, six hundred thirty-six".