1118404 has 24 divisors (see below), whose sum is σ = 2278080. Its totient is φ = 470496.

The previous prime is 1118393. The next prime is 1118419. The reversal of 1118404 is 4048111.

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, 1314 + ... + 1990.

It is an arithmetic number, because the mean of its divisors is an integer number (94920).

2^1118404 is an apocalyptic number.

1118404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1118404 is an abundant number, since it is smaller than the sum of its proper divisors (1159676).

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

1118404 is a wasteful number, since it uses less digits than its factorization.

1118404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1118404 is about 1057.5462164842. The cubic root of 1118404 is about 103.8005298934.

It can be divided in two parts, 111 and 8404, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 1118404 in words is "one million, one hundred eighteen thousand, four hundred four".