16838988 has 12 divisors (see below), whose sum is σ = 39291000. Its totient is φ = 5612992.

The previous prime is 16838981. The next prime is 16839007. The reversal of 16838988 is 88983861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16838988.

It is not an unprimeable number, because it can be changed into a prime (16838981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701613 + ... + 701636.

It is an arithmetic number, because the mean of its divisors is an integer number (3274250).

Almost surely, 2^16838988 is an apocalyptic number.

It is an amenable number.

16838988 is an abundant number, since it is smaller than the sum of its proper divisors (22452012).

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

16838988 is a wasteful number, since it uses less digits than its factorization.

16838988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403256 (or 1403254 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 16838988 is about 4103.5335992288. The cubic root of 16838988 is about 256.3138038226.

The spelling of 16838988 in words is "sixteen million, eight hundred thirty-eight thousand, nine hundred eighty-eight".