91683706 has 16 divisors (see below), whose sum is σ = 142839720. Its totient is φ = 44098560.

The previous prime is 91683679. The next prime is 91683707. The reversal of 91683706 is 60738619.

It can be written as a sum of positive squares in 4 ways, for example, as 84474481 + 7209225 = 9191^2 + 2685^2 .

It is not an unprimeable number, because it can be changed into a prime (91683707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 13546.

Almost surely, 2^91683706 is an apocalyptic number.

91683706 is a deficient number, since it is larger than the sum of its proper divisors (51156014).

91683706 is a wasteful number, since it uses less digits than its factorization.

91683706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 91683706 is about 9575.1608863768. The cubic root of 91683706 is about 450.9178074513.

The spelling of 91683706 in words is "ninety-one million, six hundred eighty-three thousand, seven hundred six".