916947 has 8 divisors (see below), whose sum is σ = 1358480. Its totient is φ = 611280.

The previous prime is 916939. The next prime is 916961. The reversal of 916947 is 749619.

It is not a de Polignac number, because 916947 - 2³ = 916939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 916947.

It is not an unprimeable number, because it can be changed into a prime (916907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16954 + ... + 17007.

It is an arithmetic number, because the mean of its divisors is an integer number (169810).

2⁹¹⁶⁹⁴⁷ is an apocalyptic number.

916947 is a deficient number, since it is larger than the sum of its proper divisors (441533).

916947 is a wasteful number, since it uses less digits than its factorization.

916947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33970 (or 33964 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 916947 is about 957.5734958738. The cubic root of 916947 is about 97.1511795679.

It can be divided in two parts, 9169 and 47, that added together give a square (9216 = 96²).

The spelling of 916947 in words is "nine hundred sixteen thousand, nine hundred forty-seven".