6381744 has 20 divisors (see below), whose sum is σ = 16486296. Its totient is φ = 2127232.

The previous prime is 6381737. The next prime is 6381761. The reversal of 6381744 is 4471836.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66429 + ... + 66524.

Almost surely, 2^6381744 is an apocalyptic number.

It is an amenable number.

6381744 is an abundant number, since it is smaller than the sum of its proper divisors (10104552).

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

6381744 is a wasteful number, since it uses less digits than its factorization.

6381744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132964 (or 132958 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 6381744 is about 2526.2113925798. The cubic root of 6381744 is about 185.4868501272.

The spelling of 6381744 in words is "six million, three hundred eighty-one thousand, seven hundred forty-four".