18059936 has 12 divisors (see below), whose sum is σ = 35555562. Its totient is φ = 9029952.

The previous prime is 18059929. The next prime is 18059963. The reversal of 18059936 is 63995081.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 48400 = 4244^2 + 220^2 .

It is a super-2 number, since 2×18059936² = 652322576648192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18059893 and 18059902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282155 + ... + 282218.

Almost surely, 2^18059936 is an apocalyptic number.

18059936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18059936 is a deficient number, since it is larger than the sum of its proper divisors (17495626).

18059936 is an equidigital number, since it uses as much as digits as its factorization.

18059936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564383 (or 564375 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 18059936 is about 4249.6983422356. The cubic root of 18059936 is about 262.3647000402.

The spelling of 18059936 in words is "eighteen million, fifty-nine thousand, nine hundred thirty-six".