16804098 has 40 divisors (see below), whose sum is σ = 38472192. Its totient is φ = 5479704.

The previous prime is 16804091. The next prime is 16804103. The reversal of 16804098 is 89040861.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16804091) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6511 + ... + 8717.

Almost surely, 2^16804098 is an apocalyptic number.

16804098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16804098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19236096).

16804098 is an abundant number, since it is smaller than the sum of its proper divisors (21668094).

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

16804098 is a wasteful number, since it uses less digits than its factorization.

16804098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 16804098 is about 4099.2801807147. The cubic root of 16804098 is about 256.1366559609.

It can be divided in two parts, 1680 and 4098, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 16804098 in words is "sixteen million, eight hundred four thousand, ninety-eight".