16438832 has 10 divisors (see below), whose sum is σ = 31850268. Its totient is φ = 8219408.

The previous prime is 16438831. The next prime is 16438837. The reversal of 16438832 is 23883461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16438792 and 16438801.

It is not an unprimeable number, because it can be changed into a prime (16438831) 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 as a sum of consecutive naturals, namely, 513698 + ... + 513729.

Almost surely, 2^16438832 is an apocalyptic number.

It is an amenable number.

16438832 is a deficient number, since it is larger than the sum of its proper divisors (15411436).

16438832 is a wasteful number, since it uses less digits than its factorization.

16438832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027435 (or 1027429 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 16438832 is about 4054.4829510062. The cubic root of 16438832 is about 254.2671873770.

The spelling of 16438832 in words is "sixteen million, four hundred thirty-eight thousand, eight hundred thirty-two".