16854432 has 72 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 4814208.

The previous prime is 16854419. The next prime is 16854437. The reversal of 16854432 is 23445861.

It is a junction number, because it is equal to n+sod(n) for n = 16854393 and 16854402.

It is not an unprimeable number, because it can be changed into a prime (16854437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2913 + ... + 6495.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 2^16854432 is an apocalyptic number.

16854432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16854432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740288).

16854432 is an abundant number, since it is smaller than the sum of its proper divisors (34626144).

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

16854432 is a wasteful number, since it uses less digits than its factorization.

16854432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610 (or 3595 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 16854432 is about 4105.4149607561. The cubic root of 16854432 is about 256.3921399002.

It can be divided in two parts, 168 and 54432, that multiplied together give a square (9144576 = 3024²).

The spelling of 16854432 in words is "sixteen million, eight hundred fifty-four thousand, four hundred thirty-two".