196766929 has 2 divisors, whose sum is σ = 196766930. Its totient is φ = 196766928.

The previous prime is 196766893. The next prime is 196766939. The reversal of 196766929 is 929667691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109307025 + 87459904 = 10455^2 + 9352^2 .

It is a cyclic number.

It is not a de Polignac number, because 196766929 - 2⁹ = 196766417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196766929.

It is not a weakly prime, because it can be changed into another prime (196766939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98383464 + 98383465.

It is an arithmetic number, because the mean of its divisors is an integer number (98383465).

Almost surely, 2^196766929 is an apocalyptic number.

It is an amenable number.

196766929 is a deficient number, since it is larger than the sum of its proper divisors (1).

196766929 is an equidigital number, since it uses as much as digits as its factorization.

196766929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 55.

The square root of 196766929 is about 14027.3635798036. The cubic root of 196766929 is about 581.6352278236.

The spelling of 196766929 in words is "one hundred ninety-six million, seven hundred sixty-six thousand, nine hundred twenty-nine".