18083536 has 20 divisors (see below), whose sum is σ = 35361700. Its totient is φ = 8957952.

The previous prime is 18083531. The next prime is 18083537. The reversal of 18083536 is 63538081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5973136 + 12110400 = 2444^2 + 3480^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18083531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3441 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (1768085).

Almost surely, 2^18083536 is an apocalyptic number.

18083536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18083536 is a deficient number, since it is larger than the sum of its proper divisors (17278164).

18083536 is a wasteful number, since it uses less digits than its factorization.

18083536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486 (or 10480 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 18083536 is about 4252.4741033897. The cubic root of 18083536 is about 262.4789328520.

The spelling of 18083536 in words is "eighteen million, eighty-three thousand, five hundred thirty-six".