18050536 has 32 divisors (see below), whose sum is σ = 39090240. Its totient is φ = 7653888.

The previous prime is 18050521. The next prime is 18050563. The reversal of 18050536 is 63505081.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 3771 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (1221570).

Almost surely, 2^18050536 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 18050536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19545120).

18050536 is an abundant number, since it is smaller than the sum of its proper divisors (21039704).

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

18050536 is a wasteful number, since it uses less digits than its factorization.

18050536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433 (or 3429 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 18050536 is about 4248.5922374358. The cubic root of 18050536 is about 262.3191728175.

The spelling of 18050536 in words is "eighteen million, fifty thousand, five hundred thirty-six".