16988448 has 48 divisors (see below), whose sum is σ = 44827776. Its totient is φ = 5633280.

The previous prime is 16988399. The next prime is 16988501. The reversal of 16988448 is 84488961.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 16988397 and 16988406.

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, 25690 + ... + 26342.

It is an arithmetic number, because the mean of its divisors is an integer number (933912).

Almost surely, 2^16988448 is an apocalyptic number.

It is an amenable number.

16988448 is an abundant number, since it is smaller than the sum of its proper divisors (27839328).

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

16988448 is a wasteful number, since it uses less digits than its factorization.

16988448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 929 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 16988448 is about 4121.7045017808. The cubic root of 16988448 is about 257.0699038196.

The spelling of 16988448 in words is "sixteen million, nine hundred eighty-eight thousand, four hundred forty-eight".