18748196 has 24 divisors (see below), whose sum is σ = 33988416. Its totient is φ = 9041760.

The previous prime is 18748187. The next prime is 18748199. The reversal of 18748196 is 69184781.

It is not an unprimeable number, because it can be changed into a prime (18748199) 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, 18905 + ... + 19871.

It is an arithmetic number, because the mean of its divisors is an integer number (1416184).

Almost surely, 2^18748196 is an apocalyptic number.

It is an amenable number.

18748196 is a deficient number, since it is larger than the sum of its proper divisors (15240220).

18748196 is a wasteful number, since it uses less digits than its factorization.

18748196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1137 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 18748196 is about 4329.9187059343. The cubic root of 18748196 is about 265.6561218621.

The spelling of 18748196 in words is "eighteen million, seven hundred forty-eight thousand, one hundred ninety-six".