946986197 has 2 divisors, whose sum is σ = 946986198. Its totient is φ = 946986196.

The previous prime is 946986179. The next prime is 946986211. The reversal of 946986197 is 791689649.

Together with previous prime (946986179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562590961 + 384395236 = 23719^2 + 19606^2 .

946986197 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 946986197 - 2⁶ = 946986133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946986137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473493098 + 473493099.

It is an arithmetic number, because the mean of its divisors is an integer number (473493099).

Almost surely, 2^946986197 is an apocalyptic number.

It is an amenable number.

946986197 is a deficient number, since it is larger than the sum of its proper divisors (1).

946986197 is an equidigital number, since it uses as much as digits as its factorization.

946986197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 59.

The square root of 946986197 is about 30773.1408374251. The cubic root of 946986197 is about 982.0069232812.

The spelling of 946986197 in words is "nine hundred forty-six million, nine hundred eighty-six thousand, one hundred ninety-seven".