18343608 has 16 divisors (see below), whose sum is σ = 45859080. Its totient is φ = 6114528.

The previous prime is 18343571. The next prime is 18343609. The reversal of 18343608 is 80634381.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18343609) 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, 382135 + ... + 382182.

Almost surely, 2^18343608 is an apocalyptic number.

It is an amenable number.

18343608 is an abundant number, since it is smaller than the sum of its proper divisors (27515472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18343608 is a wasteful number, since it uses less digits than its factorization.

18343608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764326 (or 764322 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 18343608 is about 4282.9438474022. The cubic root of 18343608 is about 263.7312462426.

Adding to 18343608 its reverse (80634381), we get a palindrome (98977989).

The spelling of 18343608 in words is "eighteen million, three hundred forty-three thousand, six hundred eight".