196689896 has 16 divisors (see below), whose sum is σ = 397162500. Its totient is φ = 90779904.

The previous prime is 196689851. The next prime is 196689917. The reversal of 196689896 is 698986691.

It can be written as a sum of positive squares in 2 ways, for example, as 159112996 + 37576900 = 12614^2 + 6130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945521 + ... + 945728.

Almost surely, 2^196689896 is an apocalyptic number.

It is an amenable number.

196689896 is an abundant number, since it is smaller than the sum of its proper divisors (200472604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196689896 is a wasteful number, since it uses less digits than its factorization.

196689896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891268 (or 1891264 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 62.

The square root of 196689896 is about 14024.6174992404. The cubic root of 196689896 is about 581.5593157535.

The spelling of 196689896 in words is "one hundred ninety-six million, six hundred eighty-nine thousand, eight hundred ninety-six".