1149666 has 32 divisors (see below), whose sum is σ = 2715648. Its totient is φ = 317520.

The previous prime is 1149661. The next prime is 1149679. The reversal of 1149666 is 6669411.

It is not an unprimeable number, because it can be changed into a prime (1149661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (84864).

2^1149666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357824).

1149666 is an abundant number, since it is smaller than the sum of its proper divisors (1565982).

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

1149666 is a wasteful number, since it uses less digits than its factorization.

1149666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its digits is 7776, while the sum is 33.

The square root of 1149666 is about 1072.2247898645. The cubic root of 1149666 is about 104.7588114855.

The spelling of 1149666 in words is "one million, one hundred forty-nine thousand, six hundred sixty-six".