18300036 has 24 divisors (see below), whose sum is σ = 42817824. Its totient is φ = 6083200.

The previous prime is 18300017. The next prime is 18300071. The reversal of 18300036 is 63000381.

It is a junction number, because it is equal to n+sod(n) for n = 18299985 and 18300021.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2911 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (1784076).

Almost surely, 2^18300036 is an apocalyptic number.

It is an amenable number.

18300036 is an abundant number, since it is smaller than the sum of its proper divisors (24517788).

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

18300036 is a wasteful number, since it uses less digits than its factorization.

18300036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211 (or 4209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 18300036 is about 4277.8541349607. The cubic root of 18300036 is about 263.5222650287.

The spelling of 18300036 in words is "eighteen million, three hundred thousand, thirty-six".