16887404 has 6 divisors (see below), whose sum is σ = 29552964. Its totient is φ = 8443700.

The previous prime is 16887389. The next prime is 16887413. The reversal of 16887404 is 40478861.

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 as a sum of consecutive naturals, namely, 2110922 + ... + 2110929.

It is an arithmetic number, because the mean of its divisors is an integer number (4925494).

Almost surely, 2^16887404 is an apocalyptic number.

It is an amenable number.

16887404 is a deficient number, since it is larger than the sum of its proper divisors (12665560).

16887404 is a wasteful number, since it uses less digits than its factorization.

16887404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221855 (or 4221853 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 16887404 is about 4109.4286707522. The cubic root of 16887404 is about 256.5592226587.

The spelling of 16887404 in words is "sixteen million, eight hundred eighty-seven thousand, four hundred four".