16448432 has 120 divisors (see below), whose sum is σ = 43568640. Its totient is φ = 5840640.

The previous prime is 16448431. The next prime is 16448437. The reversal of 16448432 is 23484461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16448431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208169 + ... + 208247.

It is an arithmetic number, because the mean of its divisors is an integer number (363072).

Almost surely, 2^16448432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16448432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21784320).

16448432 is an abundant number, since it is smaller than the sum of its proper divisors (27120208).

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

16448432 is a wasteful number, since it uses less digits than its factorization.

16448432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 112 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 16448432 is about 4055.6666529684. Note that the first 4 decimals coincide. The cubic root of 16448432 is about 254.3166736582.

The spelling of 16448432 in words is "sixteen million, four hundred forty-eight thousand, four hundred thirty-two".