18356052 has 96 divisors (see below), whose sum is σ = 53061120. Its totient is φ = 4855680.

The previous prime is 18356027. The next prime is 18356099. The reversal of 18356052 is 25065381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32323 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (552720).

Almost surely, 2^18356052 is an apocalyptic number.

18356052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18356052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26530560).

18356052 is an abundant number, since it is smaller than the sum of its proper divisors (34705068).

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

18356052 is a wasteful number, since it uses less digits than its factorization.

18356052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 18356052 is about 4284.3963402094. The cubic root of 18356052 is about 263.7908697326.

It can be divided in two parts, 1835 and 6052, that added together give a palindrome (7887).

The spelling of 18356052 in words is "eighteen million, three hundred fifty-six thousand, fifty-two".