16428448 has 24 divisors (see below), whose sum is σ = 32598720. Its totient is φ = 8149440.

The previous prime is 16428437. The next prime is 16428449. The reversal of 16428448 is 84482461.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (1358280).

Almost surely, 2^16428448 is an apocalyptic number.

It is an amenable number.

16428448 is a deficient number, since it is larger than the sum of its proper divisors (16170272).

16428448 is a wasteful number, since it uses less digits than its factorization.

16428448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060 (or 4052 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 16428448 is about 4053.2021908609. The cubic root of 16428448 is about 254.2136380208.

The spelling of 16428448 in words is "sixteen million, four hundred twenty-eight thousand, four hundred forty-eight".