1166404 has 18 divisors (see below), whose sum is σ = 2170490. Its totient is φ = 548352.

The previous prime is 1166401. The next prime is 1166411. The reversal of 1166404 is 4046611.

It can be written as a sum of positive squares in 3 ways, for example, as 360000 + 806404 = 600^2 + 898^2 .

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1166401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 652 + ... + 1660.

2^1166404 is an apocalyptic number.

It is an amenable number.

1166404 is a deficient number, since it is larger than the sum of its proper divisors (1004086).

1166404 is a wasteful number, since it uses less digits than its factorization.

1166404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1166404 is about 1080.0018518503. The cubic root of 1166404 is about 105.2647589055.

The spelling of 1166404 in words is "one million, one hundred sixty-six thousand, four hundred four".