196687796 has 12 divisors (see below), whose sum is σ = 344383620. Its totient is φ = 98292480.

The previous prime is 196687787. The next prime is 196687811. The reversal of 196687796 is 697786691.

It can be written as a sum of positive squares in 2 ways, for example, as 28622500 + 168065296 = 5350^2 + 12964^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3491 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (28698635).

Almost surely, 2^196687796 is an apocalyptic number.

It is an amenable number.

196687796 is a deficient number, since it is larger than the sum of its proper divisors (147695824).

196687796 is a wasteful number, since it uses less digits than its factorization.

196687796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25714 (or 25712 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 59.

The square root of 196687796 is about 14024.5426306885. The cubic root of 196687796 is about 581.5572460337.

The spelling of 196687796 in words is "one hundred ninety-six million, six hundred eighty-seven thousand, seven hundred ninety-six".