18282849 has 16 divisors (see below), whose sum is σ = 26330304. Its totient is φ = 11217600.

The previous prime is 18282841. The next prime is 18282853. The reversal of 18282849 is 94828281.

It is not a de Polignac number, because 18282849 - 2³ = 18282841 is a prime.

It is a super-3 number, since 3×18282849³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18282849.

It is not an unprimeable number, because it can be changed into a prime (18282841) 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 15 ways as a sum of consecutive naturals, for example, 21859 + ... + 22679.

It is an arithmetic number, because the mean of its divisors is an integer number (1645644).

Almost surely, 2^18282849 is an apocalyptic number.

It is an amenable number.

18282849 is a deficient number, since it is larger than the sum of its proper divisors (8047455).

18282849 is a wasteful number, since it uses less digits than its factorization.

18282849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408.

The product of its digits is 73728, while the sum is 42.

The square root of 18282849 is about 4275.8448288028. The cubic root of 18282849 is about 263.4397410416.

The spelling of 18282849 in words is "eighteen million, two hundred eighty-two thousand, eight hundred forty-nine".