18936000 has 168 divisors, whose sum is σ = 67994784. Its totient is φ = 5030400.

The previous prime is 18935993. The next prime is 18936013. The reversal of 18936000 is 63981.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71869 + ... + 72131.

Almost surely, 2^18936000 is an apocalyptic number.

18936000 is a gapful number since it is divisible by the number (10) 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 18936000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33997392).

18936000 is an abundant number, since it is smaller than the sum of its proper divisors (49058784).

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

18936000 is a wasteful number, since it uses less digits than its factorization.

18936000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 18936000 is about 4351.5514474725. The cubic root of 18936000 is about 266.5402178273.

Adding to 18936000 its reverse (63981), we get a palindrome (18999981).

The spelling of 18936000 in words is "eighteen million, nine hundred thirty-six thousand".