18246536 has 64 divisors (see below), whose sum is σ = 44928000. Its totient is φ = 6730560.

The previous prime is 18246533. The next prime is 18246563. The reversal of 18246536 is 63564281.

It is a junction number, because it is equal to n+sod(n) for n = 18246496 and 18246505.

It is not an unprimeable number, because it can be changed into a prime (18246533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10925 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^18246536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18246536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22464000).

18246536 is an abundant number, since it is smaller than the sum of its proper divisors (26681464).

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

18246536 is a wasteful number, since it uses less digits than its factorization.

18246536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1598 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 18246536 is about 4271.5964228845. The cubic root of 18246536 is about 263.2652126668.

The spelling of 18246536 in words is "eighteen million, two hundred forty-six thousand, five hundred thirty-six".