18035000 has 40 divisors (see below), whose sum is σ = 42267720. Its totient is φ = 7212000.

The previous prime is 18034997. The next prime is 18035023. The reversal of 18035000 is 53081.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×18035000² = 650522450000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18035000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3197 + ... + 6803.

It is an arithmetic number, because the mean of its divisors is an integer number (1056693).

Almost surely, 2^18035000 is an apocalyptic number.

18035000 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 18035000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21133860).

18035000 is an abundant number, since it is smaller than the sum of its proper divisors (24232720).

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

18035000 is an equidigital number, since it uses as much as digits as its factorization.

18035000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 18035000 is about 4246.7634735172. The cubic root of 18035000 is about 262.2438923115.

Adding to 18035000 its reverse (53081), we get a palindrome (18088081).

The spelling of 18035000 in words is "eighteen million, thirty-five thousand".