18182034 has 72 divisors (see below), whose sum is σ = 43963920. Its totient is φ = 5425056.

The previous prime is 18182011. The next prime is 18182041. The reversal of 18182034 is 43028181.

18182034 is nontrivially palindromic in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 18181989 and 18182007.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 130737 + ... + 130875.

It is an arithmetic number, because the mean of its divisors is an integer number (610610).

Almost surely, 2^18182034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18182034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21981960).

18182034 is an abundant number, since it is smaller than the sum of its proper divisors (25781886).

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

18182034 is a wasteful number, since it uses less digits than its factorization.

18182034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 18182034 is about 4264.0396339621. The cubic root of 18182034 is about 262.9546298485.

It can be divided in two parts, 181 and 82034, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 18182034 in words is "eighteen million, one hundred eighty-two thousand, thirty-four".