18282844 has 12 divisors (see below), whose sum is σ = 32037264. Its totient is φ = 9129344.

The previous prime is 18282841. The next prime is 18282853. The reversal of 18282844 is 44828281.

It is a super-3 number, since 3×18282844³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18282841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972 + ... + 6124.

It is an arithmetic number, because the mean of its divisors is an integer number (2669772).

Almost surely, 2^18282844 is an apocalyptic number.

It is an amenable number.

18282844 is a deficient number, since it is larger than the sum of its proper divisors (13754420).

18282844 is a wasteful number, since it uses less digits than its factorization.

18282844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044 (or 6042 counting only the distinct ones).

The product of its digits is 32768, while the sum is 37.

The square root of 18282844 is about 4275.8442441230. The cubic root of 18282844 is about 263.4397170264.

The spelling of 18282844 in words is "eighteen million, two hundred eighty-two thousand, eight hundred forty-four".