1165946 has 4 divisors (see below), whose sum is σ = 1748922. Its totient is φ = 582972.

The previous prime is 1165943. The next prime is 1165949. The reversal of 1165946 is 6495611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6495611 = 2467 ⋅2633.

It is an interprime number because it is at equal distance from previous prime (1165943) and next prime (1165949).

It can be written as a sum of positive squares in only one way, i.e., 819025 + 346921 = 905^2 + 589^2 .

It is not an unprimeable number, because it can be changed into a prime (1165943) by changing a digit.

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, 291485 + ... + 291488.

2^1165946 is an apocalyptic number.

1165946 is a deficient number, since it is larger than the sum of its proper divisors (582976).

1165946 is an equidigital number, since it uses as much as digits as its factorization.

1165946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582975.

The product of its digits is 6480, while the sum is 32.

The square root of 1165946 is about 1079.7897943581. The cubic root of 1165946 is about 105.2509793542.

The spelling of 1165946 in words is "one million, one hundred sixty-five thousand, nine hundred forty-six".