946164689 has 4 divisors (see below), whose sum is σ = 949580724. Its totient is φ = 942748656.

The previous prime is 946164617. The next prime is 946164691. The reversal of 946164689 is 986461649.

It is a happy number.

946164689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 291214225 + 654950464 = 17065^2 + 25592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946164689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 946164689.

It is not an unprimeable number, because it can be changed into a prime (946164589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707602 + ... + 1708155.

It is an arithmetic number, because the mean of its divisors is an integer number (237395181).

Almost surely, 2^946164689 is an apocalyptic number.

It is an amenable number.

946164689 is a deficient number, since it is larger than the sum of its proper divisors (3416035).

946164689 is a wasteful number, since it uses less digits than its factorization.

946164689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416034.

The product of its digits is 2239488, while the sum is 53.

The square root of 946164689 is about 30759.7901325741. The cubic root of 946164689 is about 981.7228783338.

The spelling of 946164689 in words is "nine hundred forty-six million, one hundred sixty-four thousand, six hundred eighty-nine".