16280328 has 32 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 5323968.

The previous prime is 16280323. The next prime is 16280353. The reversal of 16280328 is 82308261.

It is a junction number, because it is equal to n+sod(n) for n = 16280295 and 16280304.

It is not an unprimeable number, because it can be changed into a prime (16280323) 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 7 ways as a sum of consecutive naturals, for example, 5128 + ... + 7671.

It is an arithmetic number, because the mean of its divisors is an integer number (1296000).

Almost surely, 2^16280328 is an apocalyptic number.

It is an amenable number.

16280328 is an abundant number, since it is smaller than the sum of its proper divisors (25191672).

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

16280328 is a wasteful number, since it uses less digits than its factorization.

16280328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861 (or 12857 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 16280328 is about 4034.8888460526. Note that the first 4 decimals coincide. The cubic root of 16280328 is about 253.4473278908.

Adding to 16280328 its reverse (82308261), we get a palindrome (98588589).

The spelling of 16280328 in words is "sixteen million, two hundred eighty thousand, three hundred twenty-eight".