196473691 has 4 divisors (see below), whose sum is σ = 202811584. Its totient is φ = 190135800.

The previous prime is 196473689. The next prime is 196473707. The reversal of 196473691 is 196374691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196374691 = 9091 ⋅21601.

It is a cyclic number.

It is not a de Polignac number, because 196473691 - 2¹ = 196473689 is a prime.

It is a super-2 number, since 2×196473691² = 77203822510326962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196473631) 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, 3168900 + ... + 3168961.

It is an arithmetic number, because the mean of its divisors is an integer number (50702896).

Almost surely, 2^196473691 is an apocalyptic number.

196473691 is a deficient number, since it is larger than the sum of its proper divisors (6337893).

196473691 is an equidigital number, since it uses as much as digits as its factorization.

196473691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337892.

The product of its digits is 244944, while the sum is 46.

The square root of 196473691 is about 14016.9073265111. The cubic root of 196473691 is about 581.3461508799.

The spelling of 196473691 in words is "one hundred ninety-six million, four hundred seventy-three thousand, six hundred ninety-one".