16803998 has 4 divisors (see below), whose sum is σ = 25206000. Its totient is φ = 8401998.

The previous prime is 16803979. The next prime is 16804003. The reversal of 16803998 is 89930861.

It is a semiprime because it is the product of two primes.

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, 4200998 + ... + 4201001.

It is an arithmetic number, because the mean of its divisors is an integer number (6301500).

Almost surely, 2^16803998 is an apocalyptic number.

16803998 is a deficient number, since it is larger than the sum of its proper divisors (8402002).

16803998 is an equidigital number, since it uses as much as digits as its factorization.

16803998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402001.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 16803998 is about 4099.2679834331. The cubic root of 16803998 is about 256.1361478762.

The spelling of 16803998 in words is "sixteen million, eight hundred three thousand, nine hundred ninety-eight".