16446984 has 32 divisors (see below), whose sum is σ = 42076320. Its totient is φ = 5354496.

The previous prime is 16446979. The next prime is 16447021. The reversal of 16446984 is 48964461.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6937 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (1314885).

Almost surely, 2^16446984 is an apocalyptic number.

It is an amenable number.

16446984 is an abundant number, since it is smaller than the sum of its proper divisors (25629336).

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

16446984 is a wasteful number, since it uses less digits than its factorization.

16446984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15989 (or 15985 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 16446984 is about 4055.4881333817. The cubic root of 16446984 is about 254.3092107108.

It can be divided in two parts, 164469 and 84, that multiplied together give a triangular number (13815396 = T₅₂₅₆).

The spelling of 16446984 in words is "sixteen million, four hundred forty-six thousand, nine hundred eighty-four".