986281 has 2 divisors, whose sum is σ = 986282. Its totient is φ = 986280.

The previous prime is 986267. The next prime is 986287. The reversal of 986281 is 182689.

986281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 160000 = 909^2 + 400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986281 is a prime.

It is a super-2 number, since 2×986281² = 1945500421922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (986287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493140 + 493141.

It is an arithmetic number, because the mean of its divisors is an integer number (493141).

2⁹⁸⁶²⁸¹ is an apocalyptic number.

It is an amenable number.

986281 is a deficient number, since it is larger than the sum of its proper divisors (1).

986281 is an equidigital number, since it uses as much as digits as its factorization.

986281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 986281 is about 993.1168108536. The cubic root of 986281 is about 99.5405926812.

The spelling of 986281 in words is "nine hundred eighty-six thousand, two hundred eighty-one".