196040429 has 4 divisors (see below), whose sum is σ = 211120476. Its totient is φ = 180960384.

The previous prime is 196040407. The next prime is 196040437. The reversal of 196040429 is 924040691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13520329 + 182520100 = 3677^2 + 13510^2 .

It is a cyclic number.

It is not a de Polignac number, because 196040429 - 2¹⁶ = 195974893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196040489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7540004 + ... + 7540029.

It is an arithmetic number, because the mean of its divisors is an integer number (52780119).

Almost surely, 2^196040429 is an apocalyptic number.

It is an amenable number.

196040429 is a deficient number, since it is larger than the sum of its proper divisors (15080047).

196040429 is a wasteful number, since it uses less digits than its factorization.

196040429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15080046.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 196040429 is about 14001.4438184067. The cubic root of 196040429 is about 580.9185099641.

The spelling of 196040429 in words is "one hundred ninety-six million, forty thousand, four hundred twenty-nine".