1189404 has 30 divisors (see below), whose sum is σ = 3110184. Its totient is φ = 396360.

The previous prime is 1189403. The next prime is 1189417. The reversal of 1189404 is 4049811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189403) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1512 + ... + 2159.

2^1189404 is an apocalyptic number.

It is an amenable number.

1189404 is an abundant number, since it is smaller than the sum of its proper divisors (1920780).

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

1189404 is a wasteful number, since it uses less digits than its factorization.

1189404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1189404 is about 1090.5980010985. The cubic root of 1189404 is about 105.9521559330.

The spelling of 1189404 in words is "one million, one hundred eighty-nine thousand, four hundred four".