18199796 has 24 divisors (see below), whose sum is σ = 33872160. Its totient is φ = 8532000.

The previous prime is 18199771. The next prime is 18199801. The reversal of 18199796 is 69799181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491 + ... + 8861.

It is an arithmetic number, because the mean of its divisors is an integer number (1411340).

Almost surely, 2^18199796 is an apocalyptic number.

It is an amenable number.

18199796 is a deficient number, since it is larger than the sum of its proper divisors (15672364).

18199796 is a wasteful number, since it uses less digits than its factorization.

18199796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2493 counting only the distinct ones).

The product of its digits is 244944, while the sum is 50.

The square root of 18199796 is about 4266.1218923045. The cubic root of 18199796 is about 263.0402286336.

The spelling of 18199796 in words is "eighteen million, one hundred ninety-nine thousand, seven hundred ninety-six".