1166849 has 2 divisors, whose sum is σ = 1166850. Its totient is φ = 1166848.

The previous prime is 1166839. The next prime is 1166857. The reversal of 1166849 is 9486611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 53824 = 1055^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166849 - 2⁴ = 1166833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1166839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583424 + 583425.

It is an arithmetic number, because the mean of its divisors is an integer number (583425).

2^1166849 is an apocalyptic number.

It is an amenable number.

1166849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166849 is an equidigital number, since it uses as much as digits as its factorization.

1166849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 1166849 is about 1080.2078503695. The cubic root of 1166849 is about 105.2781438795.

The spelling of 1166849 in words is "one million, one hundred sixty-six thousand, eight hundred forty-nine".