1115884 has 24 divisors (see below), whose sum is σ = 2435328. Its totient is φ = 434640.

The previous prime is 1115879. The next prime is 1115899. The reversal of 1115884 is 4885111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (101472).

2^1115884 is an apocalyptic number.

1115884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1115884 is an abundant number, since it is smaller than the sum of its proper divisors (1319444).

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

1115884 is a wasteful number, since it uses less digits than its factorization.

1115884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645 (or 3643 counting only the distinct ones).

The product of its digits is 1280, while the sum is 28.

The square root of 1115884 is about 1056.3541072955. The cubic root of 1115884 is about 103.7225097728.

It can be divided in two parts, 111 and 5884, that added together give a palindrome (5995).

The spelling of 1115884 in words is "one million, one hundred fifteen thousand, eight hundred eighty-four".