16899804 has 18 divisors (see below), whose sum is σ = 42719040. Its totient is φ = 5633256.

The previous prime is 16899803. The next prime is 16899811. The reversal of 16899804 is 40899861.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16899804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16899803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234684 + ... + 234755.

It is an arithmetic number, because the mean of its divisors is an integer number (2373280).

Almost surely, 2^16899804 is an apocalyptic number.

It is an amenable number.

16899804 is an abundant number, since it is smaller than the sum of its proper divisors (25819236).

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

16899804 is a wasteful number, since it uses less digits than its factorization.

16899804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469449 (or 469444 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 16899804 is about 4110.9371194413. The cubic root of 16899804 is about 256.6220023104.

The spelling of 16899804 in words is "sixteen million, eight hundred ninety-nine thousand, eight hundred four".