1118808 has 48 divisors (see below), whose sum is σ = 3112200. Its totient is φ = 362880.

The previous prime is 1118807. The next prime is 1118809. The reversal of 1118808 is 8088111.

It is an interprime number because it is at equal distance from previous prime (1118807) and next prime (1118809).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2763 + ... + 3141.

2^1118808 is an apocalyptic number.

1118808 is a gapful number since it is divisible by the number (18) 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 1118808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556100).

1118808 is an abundant number, since it is smaller than the sum of its proper divisors (1993392).

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

1118808 is a wasteful number, since it uses less digits than its factorization.

1118808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

The square root of 1118808 is about 1057.7372074386. The cubic root of 1118808 is about 103.8130269772.

The spelling of 1118808 in words is "one million, one hundred eighteen thousand, eight hundred eight".