6481368 has 24 divisors (see below), whose sum is σ = 17553900. Its totient is φ = 2160432.

The previous prime is 6481367. The next prime is 6481381. The reversal of 6481368 is 8631846.

It is a happy number.

6481368 is a `hidden beast` number, since 648 + 1 + 3 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44938 + ... + 45081.

Almost surely, 2^6481368 is an apocalyptic number.

It is an amenable number.

6481368 is an abundant number, since it is smaller than the sum of its proper divisors (11072532).

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

6481368 is a wasteful number, since it uses less digits than its factorization.

6481368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90031 (or 90024 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6481368 is about 2545.8530986685. The cubic root of 6481368 is about 186.4470688603.

It can be divided in two parts, 648 and 1368, that added together give a triangular number (2016 = T₆₃).

The spelling of 6481368 in words is "six million, four hundred eighty-one thousand, three hundred sixty-eight".