18076284 has 42 divisors (see below), whose sum is σ = 47436200. Its totient is φ = 6024456.

The previous prime is 18076283. The next prime is 18076301. The reversal of 18076284 is 48267081.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18076283) 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 13 ways as a sum of consecutive naturals, for example, 184 + ... + 6015.

Almost surely, 2^18076284 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 18076284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23718100).

18076284 is an abundant number, since it is smaller than the sum of its proper divisors (29359916).

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

18076284 is an equidigital number, since it uses as much as digits as its factorization.

18076284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221 (or 6204 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 18076284 is about 4251.6213377957. The cubic root of 18076284 is about 262.4438410475.

The spelling of 18076284 in words is "eighteen million, seventy-six thousand, two hundred eighty-four".