18936196 has 12 divisors (see below), whose sum is σ = 33169948. Its totient is φ = 9459072.

The previous prime is 18936191. The next prime is 18936223. The reversal of 18936196 is 69163981.

It can be written as a sum of positive squares in 2 ways, for example, as 9388096 + 9548100 = 3064^2 + 3090^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18936191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5200 + ... + 8056.

Almost surely, 2^18936196 is an apocalyptic number.

It is an amenable number.

18936196 is a deficient number, since it is larger than the sum of its proper divisors (14233752).

18936196 is a wasteful number, since it uses less digits than its factorization.

18936196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518 (or 4516 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 18936196 is about 4351.5739681177. The cubic root of 18936196 is about 266.5411374461.

The spelling of 18936196 in words is "eighteen million, nine hundred thirty-six thousand, one hundred ninety-six".