10389432 has 16 divisors (see below), whose sum is σ = 25973640. Its totient is φ = 3463136.

The previous prime is 10389427. The next prime is 10389443. The reversal of 10389432 is 23498301.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10389432.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 216423 + ... + 216470.

Almost surely, 2^10389432 is an apocalyptic number.

10389432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10389432 is an abundant number, since it is smaller than the sum of its proper divisors (15584208).

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

10389432 is a wasteful number, since it uses less digits than its factorization.

10389432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432902 (or 432898 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 10389432 is about 3223.2641840222. The cubic root of 10389432 is about 218.2046166833.

The spelling of 10389432 in words is "ten million, three hundred eighty-nine thousand, four hundred thirty-two".