6381432 has 48 divisors (see below), whose sum is σ = 17400240. Its totient is φ = 2112768.

The previous prime is 6381407. The next prime is 6381437. The reversal of 6381432 is 2341836.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6381396 and 6381405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18768 + ... + 19104.

It is an arithmetic number, because the mean of its divisors is an integer number (362505).

Almost surely, 2^6381432 is an apocalyptic number.

It is an amenable number.

6381432 is an abundant number, since it is smaller than the sum of its proper divisors (11018808).

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

6381432 is a wasteful number, since it uses less digits than its factorization.

6381432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 605 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6381432 is about 2526.1496392732. The cubic root of 6381432 is about 185.4838272942.

The spelling of 6381432 in words is "six million, three hundred eighty-one thousand, four hundred thirty-two".