1118844 has 18 divisors (see below), whose sum is σ = 2828280. Its totient is φ = 372936.

The previous prime is 1118837. The next prime is 1118851. The reversal of 1118844 is 4488111.

It is an interprime number because it is at equal distance from previous prime (1118837) and next prime (1118851).

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 16.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15504 + ... + 15575.

2^1118844 is an apocalyptic number.

It is an amenable number.

1118844 is an abundant number, since it is smaller than the sum of its proper divisors (1709436).

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

1118844 is a wasteful number, since it uses less digits than its factorization.

1118844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31089 (or 31084 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 1118844 is about 1057.7542247611. The cubic root of 1118844 is about 103.8141404327.

The spelling of 1118844 in words is "one million, one hundred eighteen thousand, eight hundred forty-four".