916851 has 8 divisors (see below), whose sum is σ = 1316560. Its totient is φ = 564192.

The previous prime is 916841. The next prime is 916859. The reversal of 916851 is 158619.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 916851 - 2⁶ = 916787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 916851.

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 7 ways as a sum of consecutive naturals, for example, 11716 + ... + 11793.

It is an arithmetic number, because the mean of its divisors is an integer number (164570).

2⁹¹⁶⁸⁵¹ is an apocalyptic number.

916851 is a deficient number, since it is larger than the sum of its proper divisors (399709).

916851 is a wasteful number, since it uses less digits than its factorization.

916851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23525.

The product of its digits is 2160, while the sum is 30.

The square root of 916851 is about 957.5233678611. The cubic root of 916851 is about 97.1477890271.

The spelling of 916851 in words is "nine hundred sixteen thousand, eight hundred fifty-one".