18343532 has 6 divisors (see below), whose sum is σ = 32101188. Its totient is φ = 9171764.

The previous prime is 18343529. The next prime is 18343541. The reversal of 18343532 is 23534381.

It is a junction number, because it is equal to n+sod(n) for n = 18343495 and 18343504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2292938 + ... + 2292945.

It is an arithmetic number, because the mean of its divisors is an integer number (5350198).

Almost surely, 2^18343532 is an apocalyptic number.

It is an amenable number.

18343532 is a deficient number, since it is larger than the sum of its proper divisors (13757656).

18343532 is a wasteful number, since it uses less digits than its factorization.

18343532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585887 (or 4585885 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 18343532 is about 4282.9349749909. The cubic root of 18343532 is about 263.7308820176.

The spelling of 18343532 in words is "eighteen million, three hundred forty-three thousand, five hundred thirty-two".