196686473 has 4 divisors (see below), whose sum is σ = 199622160. Its totient is φ = 193750788.

The previous prime is 196686463. The next prime is 196686521. The reversal of 196686473 is 374686691.

196686473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196686473 is a prime.

It is a super-2 number, since 2×196686473² = 77371137322359458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196686433) 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, 1467743 + ... + 1467876.

It is an arithmetic number, because the mean of its divisors is an integer number (49905540).

Almost surely, 2^196686473 is an apocalyptic number.

It is an amenable number.

196686473 is a deficient number, since it is larger than the sum of its proper divisors (2935687).

196686473 is an equidigital number, since it uses as much as digits as its factorization.

196686473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935686.

The product of its digits is 1306368, while the sum is 50.

The square root of 196686473 is about 14024.4954632956. The cubic root of 196686473 is about 581.5559421026. Note that the first 3 decimals are identical.

The spelling of 196686473 in words is "one hundred ninety-six million, six hundred eighty-six thousand, four hundred seventy-three".