6309432 has 24 divisors (see below), whose sum is σ = 17088240. Its totient is φ = 2103120.

The previous prime is 6309389. The next prime is 6309437. The reversal of 6309432 is 2349036.

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

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 = 6309396 and 6309405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6309437) 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, 43744 + ... + 43887.

It is an arithmetic number, because the mean of its divisors is an integer number (712010).

Almost surely, 2^6309432 is an apocalyptic number.

It is an amenable number.

6309432 is an abundant number, since it is smaller than the sum of its proper divisors (10778808).

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

6309432 is a wasteful number, since it uses less digits than its factorization.

6309432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87643 (or 87636 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 6309432 is about 2511.8582762568. The cubic root of 6309432 is about 184.7835989267.

The spelling of 6309432 in words is "six million, three hundred nine thousand, four hundred thirty-two".