916690 has 24 divisors (see below), whose sum is σ = 1724580. Its totient is φ = 350784.

The previous prime is 916679. The next prime is 916703. The reversal of 916690 is 96619.

It can be written as a sum of positive squares in 6 ways, for example, as 508369 + 408321 = 713^2 + 639^2 .

It is a super-2 number, since 2×916690² = 1680641112200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8356 + ... + 8464.

2⁹¹⁶⁶⁹⁰ is an apocalyptic number.

916690 is a deficient number, since it is larger than the sum of its proper divisors (807890).

916690 is a wasteful number, since it uses less digits than its factorization.

916690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 916690 is about 957.4392931147. The cubic root of 916690 is about 97.1421022762.

The spelling of 916690 in words is "nine hundred sixteen thousand, six hundred ninety".