1166306 has 4 divisors (see below), whose sum is σ = 1749462. Its totient is φ = 583152.

The previous prime is 1166287. The next prime is 1166311. The reversal of 1166306 is 6036611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 148225 = 1009^2 + 385^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291575 + ... + 291578.

2^1166306 is an apocalyptic number.

1166306 is a deficient number, since it is larger than the sum of its proper divisors (583156).

1166306 is an equidigital number, since it uses as much as digits as its factorization.

1166306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583155.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1166306 is about 1079.9564806047. The cubic root of 1166306 is about 105.2618107459.

The spelling of 1166306 in words is "one million, one hundred sixty-six thousand, three hundred six".