18283804 has 96 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 6504960.

The previous prime is 18283787. The next prime is 18283807. The reversal of 18283804 is 40838281.

It is a self number, because there is not a number n which added to its sum of digits gives 18283804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18283807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205392 + ... + 205480.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^18283804 is an apocalyptic number.

18283804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18283804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21772800).

18283804 is an abundant number, since it is smaller than the sum of its proper divisors (25261796).

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

18283804 is a wasteful number, since it uses less digits than its factorization.

18283804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 18283804 is about 4275.9565011819. The cubic root of 18283804 is about 263.4443278645. Note that the first 3 decimals are identical.

The spelling of 18283804 in words is "eighteen million, two hundred eighty-three thousand, eight hundred four".