196742901 has 8 divisors (see below), whose sum is σ = 262416544. Its totient is φ = 131115600.

The previous prime is 196742881. The next prime is 196742911. The reversal of 196742901 is 109247691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196742901 - 2⁷ = 196742773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196742901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196742911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (32802068).

Almost surely, 2^196742901 is an apocalyptic number.

It is an amenable number.

196742901 is a deficient number, since it is larger than the sum of its proper divisors (65673643).

196742901 is a wasteful number, since it uses less digits than its factorization.

196742901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23171.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 196742901 is about 14026.5070848020. The cubic root of 196742901 is about 581.6115515886.

The spelling of 196742901 in words is "one hundred ninety-six million, seven hundred forty-two thousand, nine hundred one".