18334536 has 64 divisors (see below), whose sum is σ = 51382080. Its totient is φ = 5402880.

The previous prime is 18334531. The next prime is 18334541. The reversal of 18334536 is 63543381.

It is an interprime number because it is at equal distance from previous prime (18334531) and next prime (18334541).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 18334497 and 18334506.

It is not an unprimeable number, because it can be changed into a prime (18334531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8830 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (802845).

Almost surely, 2^18334536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18334536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25691040).

18334536 is an abundant number, since it is smaller than the sum of its proper divisors (33047544).

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

18334536 is a wasteful number, since it uses less digits than its factorization.

18334536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1930 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 18334536 is about 4281.8846317947. The cubic root of 18334536 is about 263.6877621691.

It can be divided in two parts, 183345 and 36, that added together give a palindrome (183381).

The spelling of 18334536 in words is "eighteen million, three hundred thirty-four thousand, five hundred thirty-six".