33800118 has 32 divisors (see below), whose sum is σ = 74794752. Its totient is φ = 10096800.

The previous prime is 33800111. The next prime is 33800149. The reversal of 33800118 is 81100833.

It is a super-2 number, since 2×33800118² = 2284895953627848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33800111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080 + ... + 8292.

It is an arithmetic number, because the mean of its divisors is an integer number (2337336).

Almost surely, 2^33800118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33800118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37397376).

33800118 is an abundant number, since it is smaller than the sum of its proper divisors (40994634).

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

33800118 is a wasteful number, since it uses less digits than its factorization.

33800118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 33800118 is about 5813.7868897991. The cubic root of 33800118 is about 323.3250887708.

The spelling of 33800118 in words is "thirty-three million, eight hundred thousand, one hundred eighteen".