1838284 has 36 divisors (see below), whose sum is σ = 3820824. Its totient is φ = 771456.

The previous prime is 1838257. The next prime is 1838297. The reversal of 1838284 is 4828381.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16212 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (106134).

2^1838284 is an apocalyptic number.

1838284 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 1838284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910412).

1838284 is an abundant number, since it is smaller than the sum of its proper divisors (1982540).

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

1838284 is a wasteful number, since it uses less digits than its factorization.

1838284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 205 counting only the distinct ones).

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

The square root of 1838284 is about 1355.8333230895. The cubic root of 1838284 is about 122.5004081619.

The spelling of 1838284 in words is "one million, eight hundred thirty-eight thousand, two hundred eighty-four".