196897329 has 12 divisors (see below), whose sum is σ = 284914500. Its totient is φ = 131030784.

The previous prime is 196897307. The next prime is 196897339. The reversal of 196897329 is 923798691.

It can be written as a sum of positive squares in 2 ways, for example, as 12616704 + 184280625 = 3552^2 + 13575^2 .

It is not a de Polignac number, because 196897329 - 2⁸ = 196897073 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196897339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14104 + ... + 24345.

It is an arithmetic number, because the mean of its divisors is an integer number (23742875).

Almost surely, 2^196897329 is an apocalyptic number.

It is an amenable number.

196897329 is a deficient number, since it is larger than the sum of its proper divisors (88017171).

196897329 is a wasteful number, since it uses less digits than its factorization.

196897329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39024 (or 39021 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 196897329 is about 14032.0108680118. The cubic root of 196897329 is about 581.7636851915.

The spelling of 196897329 in words is "one hundred ninety-six million, eight hundred ninety-seven thousand, three hundred twenty-nine".