196082989 has 2 divisors, whose sum is σ = 196082990. Its totient is φ = 196082988.

The previous prime is 196082959. The next prime is 196083011. The reversal of 196082989 is 989280691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194742025 + 1340964 = 13955^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 196082989 - 2⁹ = 196082477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196082959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98041494 + 98041495.

It is an arithmetic number, because the mean of its divisors is an integer number (98041495).

Almost surely, 2^196082989 is an apocalyptic number.

It is an amenable number.

196082989 is a deficient number, since it is larger than the sum of its proper divisors (1).

196082989 is an equidigital number, since it uses as much as digits as its factorization.

196082989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 196082989 is about 14002.9635791857. The cubic root of 196082989 is about 580.9605456859.

The spelling of 196082989 in words is "one hundred ninety-six million, eighty-two thousand, nine hundred eighty-nine".