16804198 has 4 divisors (see below), whose sum is σ = 25206300. Its totient is φ = 8402098.

The previous prime is 16804171. The next prime is 16804213. The reversal of 16804198 is 89140861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89140861 = 499 ⋅178639.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4201048 + ... + 4201051.

It is an arithmetic number, because the mean of its divisors is an integer number (6301575).

Almost surely, 2^16804198 is an apocalyptic number.

16804198 is a deficient number, since it is larger than the sum of its proper divisors (8402102).

16804198 is an equidigital number, since it uses as much as digits as its factorization.

16804198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402101.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 16804198 is about 4099.2923779599. The cubic root of 16804198 is about 256.1371640436.

The spelling of 16804198 in words is "sixteen million, eight hundred four thousand, one hundred ninety-eight".