16887408 has 40 divisors (see below), whose sum is σ = 44695056. Its totient is φ = 5491200.

The previous prime is 16887389. The next prime is 16887413. The reversal of 16887408 is 80478861.

It is a self number, because there is not a number n which added to its sum of digits gives 16887408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323 + ... + 6258.

Almost surely, 2^16887408 is an apocalyptic number.

It is an amenable number.

16887408 is an abundant number, since it is smaller than the sum of its proper divisors (27807648).

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

16887408 is a wasteful number, since it uses less digits than its factorization.

16887408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633 (or 8627 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 16887408 is about 4109.4291574378. The cubic root of 16887408 is about 256.5592429152.

The spelling of 16887408 in words is "sixteen million, eight hundred eighty-seven thousand, four hundred eight".