196735297 has 4 divisors (see below), whose sum is σ = 214620336. Its totient is φ = 178850260.

The previous prime is 196735267. The next prime is 196735313. The reversal of 196735297 is 792537691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792537691 = 11 ⋅72048881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196735297 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 196735297.

It is not an unprimeable number, because it can be changed into a prime (196735247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8942503 + ... + 8942524.

It is an arithmetic number, because the mean of its divisors is an integer number (53655084).

Almost surely, 2^196735297 is an apocalyptic number.

It is an amenable number.

196735297 is a deficient number, since it is larger than the sum of its proper divisors (17885039).

196735297 is a wasteful number, since it uses less digits than its factorization.

196735297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17885038.

The product of its digits is 714420, while the sum is 49.

The square root of 196735297 is about 14026.2360239659. The cubic root of 196735297 is about 581.6040585080.

The spelling of 196735297 in words is "one hundred ninety-six million, seven hundred thirty-five thousand, two hundred ninety-seven".