18282536 has 8 divisors (see below), whose sum is σ = 34279770. Its totient is φ = 9141264.

The previous prime is 18282533. The next prime is 18282547. The reversal of 18282536 is 63528281.

It can be written as a sum of positive squares in only one way, i.e., 13468900 + 4813636 = 3670^2 + 2194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×18282536² = 668502245182592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18282496 and 18282505.

It is not an unprimeable number, because it can be changed into a prime (18282533) 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 as a sum of consecutive naturals, namely, 1142651 + ... + 1142666.

Almost surely, 2^18282536 is an apocalyptic number.

It is an amenable number.

18282536 is a deficient number, since it is larger than the sum of its proper divisors (15997234).

18282536 is a wasteful number, since it uses less digits than its factorization.

18282536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285323 (or 2285319 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 18282536 is about 4275.8082276922. The cubic root of 18282536 is about 263.4382376816.

The spelling of 18282536 in words is "eighteen million, two hundred eighty-two thousand, five hundred thirty-six".