916899 has 4 divisors (see below), whose sum is σ = 1222536. Its totient is φ = 611264.

The previous prime is 916879. The next prime is 916907. The reversal of 916899 is 998619.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998619 = 3 ⋅332873.

It is a cyclic number.

It is not a de Polignac number, because 916899 - 2⁷ = 916771 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 916899.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 916899.

It is not an unprimeable number, because it can be changed into a prime (916859) 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, 152814 + ... + 152819.

It is an arithmetic number, because the mean of its divisors is an integer number (305634).

2⁹¹⁶⁸⁹⁹ is an apocalyptic number.

916899 is a deficient number, since it is larger than the sum of its proper divisors (305637).

916899 is a wasteful number, since it uses less digits than its factorization.

916899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305636.

The product of its digits is 34992, while the sum is 42.

The square root of 916899 is about 957.5484321955. The cubic root of 916899 is about 97.1494843271.

The spelling of 916899 in words is "nine hundred sixteen thousand, eight hundred ninety-nine".