18343396 has 12 divisors (see below), whose sum is σ = 32147248. Its totient is φ = 9158472.

The previous prime is 18343393. The next prime is 18343421. The reversal of 18343396 is 69334381.

It is not an unprimeable number, because it can be changed into a prime (18343393) 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, 235 + ... + 6061.

Almost surely, 2^18343396 is an apocalyptic number.

It is an amenable number.

18343396 is a deficient number, since it is larger than the sum of its proper divisors (13803852).

18343396 is a wasteful number, since it uses less digits than its factorization.

18343396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618 (or 6616 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 18343396 is about 4282.9190979985. The cubic root of 18343396 is about 263.7302302440.

The spelling of 18343396 in words is "eighteen million, three hundred forty-three thousand, three hundred ninety-six".