16449808 has 10 divisors (see below), whose sum is σ = 31871534. Its totient is φ = 8224896.

The previous prime is 16449743. The next prime is 16449817. The reversal of 16449808 is 80894461.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 63504 = 4048^2 + 252^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514041 + ... + 514072.

Almost surely, 2^16449808 is an apocalyptic number.

It is an amenable number.

16449808 is a deficient number, since it is larger than the sum of its proper divisors (15421726).

16449808 is a wasteful number, since it uses less digits than its factorization.

16449808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028121 (or 1028115 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 16449808 is about 4055.8362886093. The cubic root of 16449808 is about 254.3237651140.

The spelling of 16449808 in words is "sixteen million, four hundred forty-nine thousand, eight hundred eight".