945947 has 4 divisors (see below), whose sum is σ = 962040. Its totient is φ = 929856.

The previous prime is 945943. The next prime is 945949. The reversal of 945947 is 749549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749549 = 31 ⋅24179.

It is a cyclic number.

It is not a de Polignac number, because 945947 - 2² = 945943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 945947.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945947.

It is not an unprimeable number, because it can be changed into a prime (945941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7958 + ... + 8075.

It is an arithmetic number, because the mean of its divisors is an integer number (240510).

2⁹⁴⁵⁹⁴⁷ is an apocalyptic number.

945947 is a deficient number, since it is larger than the sum of its proper divisors (16093).

945947 is a wasteful number, since it uses less digits than its factorization.

945947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16092.

The product of its digits is 45360, while the sum is 38.

The square root of 945947 is about 972.5980670349. The cubic root of 945947 is about 98.1647582540.

The spelling of 945947 in words is "nine hundred forty-five thousand, nine hundred forty-seven".