16992432 has 60 divisors (see below), whose sum is σ = 47876400. Its totient is φ = 5625984.

The previous prime is 16992431. The next prime is 16992497. The reversal of 16992432 is 23429961.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (16992431) 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, 28069 + ... + 28667.

It is an arithmetic number, because the mean of its divisors is an integer number (797940).

Almost surely, 2^16992432 is an apocalyptic number.

16992432 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 16992432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23938200).

16992432 is an abundant number, since it is smaller than the sum of its proper divisors (30883968).

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

16992432 is a wasteful number, since it uses less digits than its factorization.

16992432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 801 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 16992432 is about 4122.1877686491. The cubic root of 16992432 is about 257.0899976003.

It can be divided in two parts, 16992 and 432, that added together give a square (17424 = 132²).

The spelling of 16992432 in words is "sixteen million, nine hundred ninety-two thousand, four hundred thirty-two".