1118856 has 16 divisors (see below), whose sum is σ = 2797200. Its totient is φ = 372944.

The previous prime is 1118851. The next prime is 1118857. The reversal of 1118856 is 6588111.

It is a happy number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1118851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23286 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (174825).

2^1118856 is an apocalyptic number.

It is an amenable number.

1118856 is an abundant number, since it is smaller than the sum of its proper divisors (1678344).

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

1118856 is a wasteful number, since it uses less digits than its factorization.

1118856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46628 (or 46624 counting only the distinct ones).

The product of its digits is 1920, while the sum is 30.

The square root of 1118856 is about 1057.7598971411. The cubic root of 1118856 is about 103.8145115793.

The spelling of 1118856 in words is "one million, one hundred eighteen thousand, eight hundred fifty-six".