16804869 has 8 divisors (see below), whose sum is σ = 22829472. Its totient is φ = 10991760.

The previous prime is 16804861. The next prime is 16804871. The reversal of 16804869 is 96840861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16804869 - 2³ = 16804861 is a prime.

It is a super-2 number, since 2×16804869² = 564807244214322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16804869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16804861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52687 + ... + 53004.

It is an arithmetic number, because the mean of its divisors is an integer number (2853684).

Almost surely, 2^16804869 is an apocalyptic number.

It is an amenable number.

16804869 is a deficient number, since it is larger than the sum of its proper divisors (6024603).

16804869 is a wasteful number, since it uses less digits than its factorization.

16804869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105747.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 16804869 is about 4099.3742205366. The cubic root of 16804869 is about 256.1405732264.

The spelling of 16804869 in words is "sixteen million, eight hundred four thousand, eight hundred sixty-nine".