18605234 has 8 divisors (see below), whose sum is σ = 28011648. Its totient is φ = 9268020.

The previous prime is 18605233. The next prime is 18605243. The reversal of 18605234 is 43250681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18605197 and 18605206.

It is not an unprimeable number, because it can be changed into a prime (18605231) 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 in 3 ways as a sum of consecutive naturals, for example, 16622 + ... + 17705.

It is an arithmetic number, because the mean of its divisors is an integer number (3501456).

Almost surely, 2^18605234 is an apocalyptic number.

18605234 is a deficient number, since it is larger than the sum of its proper divisors (9406414).

18605234 is a wasteful number, since it uses less digits than its factorization.

18605234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34600.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 18605234 is about 4313.3784902325. The cubic root of 18605234 is about 264.9791558305.

The spelling of 18605234 in words is "eighteen million, six hundred five thousand, two hundred thirty-four".