6387432 has 32 divisors (see below), whose sum is σ = 16234080. Its totient is φ = 2093760.

The previous prime is 6387413. The next prime is 6387449. The reversal of 6387432 is 2347836.

It is an Ulam number.

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 = 6387393 and 6387402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 3645.

It is an arithmetic number, because the mean of its divisors is an integer number (507315).

Almost surely, 2^6387432 is an apocalyptic number.

It is an amenable number.

6387432 is an abundant number, since it is smaller than the sum of its proper divisors (9846648).

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

6387432 is a wasteful number, since it uses less digits than its factorization.

6387432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4429 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 6387432 is about 2527.3369383602. The cubic root of 6387432 is about 185.5419414370.

The spelling of 6387432 in words is "six million, three hundred eighty-seven thousand, four hundred thirty-two".