1149804 has 54 divisors (see below), whose sum is σ = 3135860. Its totient is φ = 354240.

The previous prime is 1149803. The next prime is 1149817. The reversal of 1149804 is 4089411.

It is not an unprimeable number, because it can be changed into a prime (1149803) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28024 + ... + 28064.

2^1149804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567930).

1149804 is an abundant number, since it is smaller than the sum of its proper divisors (1986056).

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

1149804 is a wasteful number, since it uses less digits than its factorization.

1149804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 65 counting only the distinct ones).

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

The square root of 1149804 is about 1072.2891401110. The cubic root of 1149804 is about 104.7630028876.

It can be divided in two parts, 1149 and 804, that added together give a triangular number (1953 = T₆₂).

The spelling of 1149804 in words is "one million, one hundred forty-nine thousand, eight hundred four".