18796172 has 6 divisors (see below), whose sum is σ = 32893308. Its totient is φ = 9398084.

The previous prime is 18796171. The next prime is 18796181. The reversal of 18796172 is 27169781.

It is not an unprimeable number, because it can be changed into a prime (18796171) by changing a digit.

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 as a sum of consecutive naturals, namely, 2349518 + ... + 2349525.

It is an arithmetic number, because the mean of its divisors is an integer number (5482218).

Almost surely, 2^18796172 is an apocalyptic number.

It is an amenable number.

18796172 is a deficient number, since it is larger than the sum of its proper divisors (14097136).

18796172 is a wasteful number, since it uses less digits than its factorization.

18796172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699047 (or 4699045 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 18796172 is about 4335.4552240797. The cubic root of 18796172 is about 265.8825305272.

The spelling of 18796172 in words is "eighteen million, seven hundred ninety-six thousand, one hundred seventy-two".