6481244 has 36 divisors (see below), whose sum is σ = 14255472. Its totient is φ = 2523840.

The previous prime is 6481243. The next prime is 6481259. The reversal of 6481244 is 4421846.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2432 + ... + 4344.

Almost surely, 2^6481244 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 6481244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7127736).

6481244 is an abundant number, since it is smaller than the sum of its proper divisors (7774228).

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

6481244 is a wasteful number, since it uses less digits than its factorization.

6481244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1933 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 6481244 is about 2545.8287452223. The cubic root of 6481244 is about 186.4458798323.

The spelling of 6481244 in words is "six million, four hundred eighty-one thousand, two hundred forty-four".