16809098 has 16 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 8162400.

The previous prime is 16809097. The next prime is 16809101. The reversal of 16809098 is 89090861.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (16809097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29153 + ... + 29723.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^16809098 is an apocalyptic number.

16809098 is a deficient number, since it is larger than the sum of its proper divisors (9136822).

16809098 is a wasteful number, since it uses less digits than its factorization.

16809098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 16809098 is about 4099.8899985244. The cubic root of 16809098 is about 256.1620576274.

The spelling of 16809098 in words is "sixteen million, eight hundred nine thousand, ninety-eight".