916911 has 6 divisors (see below), whose sum is σ = 1324440. Its totient is φ = 611268.

The previous prime is 916907. The next prime is 916913. The reversal of 916911 is 119619.

It is not a de Polignac number, because 916911 - 2² = 916907 is a prime.

916911 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50931 + ... + 50948.

It is an arithmetic number, because the mean of its divisors is an integer number (220740).

2⁹¹⁶⁹¹¹ is an apocalyptic number.

916911 is a deficient number, since it is larger than the sum of its proper divisors (407529).

916911 is a wasteful number, since it uses less digits than its factorization.

916911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101885 (or 101882 counting only the distinct ones).

The product of its digits is 486, while the sum is 27.

The square root of 916911 is about 957.5546981766. The cubic root of 916911 is about 97.1499081428.

It can be divided in two parts, 9169 and 11, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 916911 in words is "nine hundred sixteen thousand, nine hundred eleven".