16388808 has 32 divisors (see below), whose sum is σ = 41256000. Its totient is φ = 5425088.

The previous prime is 16388791. The next prime is 16388831. The reversal of 16388808 is 80888361.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16388808.

It is an unprimeable number.

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, 1285 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (1289250).

Almost surely, 2^16388808 is an apocalyptic number.

It is an amenable number.

16388808 is an abundant number, since it is smaller than the sum of its proper divisors (24867192).

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

16388808 is a wasteful number, since it uses less digits than its factorization.

16388808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741 (or 4737 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 16388808 is about 4048.3092767228. The cubic root of 16388808 is about 254.0090103651.

The spelling of 16388808 in words is "sixteen million, three hundred eighty-eight thousand, eight hundred eight".