196961648 has 20 divisors (see below), whose sum is σ = 410968488. Its totient is φ = 90905280.

The previous prime is 196961623. The next prime is 196961659. The reversal of 196961648 is 846169691.

It is a junction number, because it is equal to n+sod(n) for n = 196961596 and 196961605.

It is a congruent number.

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, 473258 + ... + 473673.

Almost surely, 2^196961648 is an apocalyptic number.

It is an amenable number.

196961648 is an abundant number, since it is smaller than the sum of its proper divisors (214006840).

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

196961648 is a wasteful number, since it uses less digits than its factorization.

196961648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946952 (or 946946 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 196961648 is about 14034.3025476865. The cubic root of 196961648 is about 581.8270251142.

The spelling of 196961648 in words is "one hundred ninety-six million, nine hundred sixty-one thousand, six hundred forty-eight".