16434432 has 108 divisors (see below), whose sum is σ = 54206880. Its totient is φ = 4690944.

The previous prime is 16434413. The next prime is 16434463. The reversal of 16434432 is 23443461.

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

It is a junction number, because it is equal to n+sod(n) for n = 16434396 and 16434405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15619 + ... + 16637.

Almost surely, 2^16434432 is an apocalyptic number.

16434432 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 16434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27103440).

16434432 is an abundant number, since it is smaller than the sum of its proper divisors (37772448).

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

16434432 is a wasteful number, since it uses less digits than its factorization.

16434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1031 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 16434432 is about 4053.9403054312. The cubic root of 16434432 is about 254.2444997258.

Adding to 16434432 its reverse (23443461), we get a palindrome (39877893).

It can be divided in two parts, 164 and 34432, that added together give a square (34596 = 186²).

The spelling of 16434432 in words is "sixteen million, four hundred thirty-four thousand, four hundred thirty-two".