16338432 has 80 divisors (see below), whose sum is σ = 47532672. Its totient is φ = 4945920.

The previous prime is 16338403. The next prime is 16338433. The reversal of 16338432 is 23483361.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16338432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16338433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16413 + ... + 17379.

Almost surely, 2^16338432 is an apocalyptic number.

16338432 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 16338432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23766336).

16338432 is an abundant number, since it is smaller than the sum of its proper divisors (31194240).

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

16338432 is an equidigital number, since it uses as much as digits as its factorization.

16338432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 983 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 16338432 is about 4042.0826315156. The cubic root of 16338432 is about 253.7484851924.

Subtracting 16338432 from its reverse (23483361), we obtain a square (7144929 = 2673²).

The spelling of 16338432 in words is "sixteen million, three hundred thirty-eight thousand, four hundred thirty-two".