196868029 has 2 divisors, whose sum is σ = 196868030. Its totient is φ = 196868028.

The previous prime is 196867981. The next prime is 196868033. The reversal of 196868029 is 920868691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119902500 + 76965529 = 10950^2 + 8773^2 .

It is a cyclic number.

It is not a de Polignac number, because 196868029 - 2⁷ = 196867901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196868039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98434014 + 98434015.

It is an arithmetic number, because the mean of its divisors is an integer number (98434015).

Almost surely, 2^196868029 is an apocalyptic number.

It is an amenable number.

196868029 is a deficient number, since it is larger than the sum of its proper divisors (1).

196868029 is an equidigital number, since it uses as much as digits as its factorization.

196868029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 196868029 is about 14030.9667877876. The cubic root of 196868029 is about 581.7348266291.

The spelling of 196868029 in words is "one hundred ninety-six million, eight hundred sixty-eight thousand, twenty-nine".