986163281 has 2 divisors, whose sum is σ = 986163282. Its totient is φ = 986163280.

The previous prime is 986163263. The next prime is 986163301. The reversal of 986163281 is 182361689.

986163281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502163281 + 484000000 = 22409^2 + 22000^2 .

It is a cyclic number.

It is not a de Polignac number, because 986163281 - 2²⁶ = 919054417 is a prime.

It is a super-2 number, since 2×986163281² = 1945036033585369922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (986163481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493081640 + 493081641.

It is an arithmetic number, because the mean of its divisors is an integer number (493081641).

Almost surely, 2^986163281 is an apocalyptic number.

It is an amenable number.

986163281 is a deficient number, since it is larger than the sum of its proper divisors (1).

986163281 is an equidigital number, since it uses as much as digits as its factorization.

986163281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 986163281 is about 31403.2367917704. The cubic root of 986163281 is about 995.3663225296.

The spelling of 986163281 in words is "nine hundred eighty-six million, one hundred sixty-three thousand, two hundred eighty-one".