18094236 has 12 divisors (see below), whose sum is σ = 42219912. Its totient is φ = 6031408.

The previous prime is 18094229. The next prime is 18094277. The reversal of 18094236 is 63249081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×18094236³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18094197 and 18094206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753915 + ... + 753938.

It is an arithmetic number, because the mean of its divisors is an integer number (3518326).

Almost surely, 2^18094236 is an apocalyptic number.

It is an amenable number.

18094236 is an abundant number, since it is smaller than the sum of its proper divisors (24125676).

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

18094236 is a wasteful number, since it uses less digits than its factorization.

18094236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507860 (or 1507858 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 18094236 is about 4253.7320084838. The cubic root of 18094236 is about 262.5306921029.

The spelling of 18094236 in words is "eighteen million, ninety-four thousand, two hundred thirty-six".