916669 has 8 divisors (see below), whose sum is σ = 997920. Its totient is φ = 836976.

The previous prime is 916651. The next prime is 916679. The reversal of 916669 is 966619.

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

It is a cyclic number.

It is not a de Polignac number, because 916669 - 2¹⁷ = 785597 is a prime.

It is a super-2 number, since 2×916669² = 1680564111122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916649) 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, 1062 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2⁹¹⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

916669 is a deficient number, since it is larger than the sum of its proper divisors (81251).

916669 is a wasteful number, since it uses less digits than its factorization.

916669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its digits is 17496, while the sum is 37.

The square root of 916669 is about 957.4283262992. The cubic root of 916669 is about 97.1413604770.

The spelling of 916669 in words is "nine hundred sixteen thousand, six hundred sixty-nine".