986085623 has 2 divisors, whose sum is σ = 986085624. Its totient is φ = 986085622.

The previous prime is 986085587. The next prime is 986085649. The reversal of 986085623 is 326580689.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (326580689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986085623 - 2⁸ = 986085367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986085223) 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 as a sum of consecutive naturals, namely, 493042811 + 493042812.

It is an arithmetic number, because the mean of its divisors is an integer number (493042812).

Almost surely, 2^986085623 is an apocalyptic number.

986085623 is a deficient number, since it is larger than the sum of its proper divisors (1).

986085623 is an equidigital number, since it uses as much as digits as its factorization.

986085623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 986085623 is about 31402.0003025285. Note that the first 3 decimals coincide. The cubic root of 986085623 is about 995.3401942713.

The spelling of 986085623 in words is "nine hundred eighty-six million, eighty-five thousand, six hundred twenty-three".