16447488 has 48 divisors (see below), whose sum is σ = 43865640. Its totient is φ = 5480448.

The previous prime is 16447481. The next prime is 16447511. The reversal of 16447488 is 88474461.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16447481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4806 + ... + 7482.

Almost surely, 2^16447488 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 16447488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21932820).

16447488 is an abundant number, since it is smaller than the sum of its proper divisors (27418152).

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

16447488 is an equidigital number, since it uses as much as digits as its factorization.

16447488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2682 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 16447488 is about 4055.5502709250. The cubic root of 16447488 is about 254.3118083610.

The spelling of 16447488 in words is "sixteen million, four hundred forty-seven thousand, four hundred eighty-eight".