986197 has 2 divisors, whose sum is σ = 986198. Its totient is φ = 986196.

The previous prime is 986191. The next prime is 986207. The reversal of 986197 is 791689.

986197 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., 904401 + 81796 = 951^2 + 286^2 .

986197 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 986197 - 2³ = 986189 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493098 + 493099.

It is an arithmetic number, because the mean of its divisors is an integer number (493099).

2⁹⁸⁶¹⁹⁷ is an apocalyptic number.

It is an amenable number.

986197 is a deficient number, since it is larger than the sum of its proper divisors (1).

986197 is an equidigital number, since it uses as much as digits as its factorization.

986197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 986197 is about 993.0745188555. The cubic root of 986197 is about 99.5377666957.

The spelling of 986197 in words is "nine hundred eighty-six thousand, one hundred ninety-seven".