196788648 has 64 divisors (see below), whose sum is σ = 570677760. Its totient is φ = 55382976.

The previous prime is 196788611. The next prime is 196788661. The reversal of 196788648 is 846887691.

196788648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515 + ... + 19997.

It is an arithmetic number, because the mean of its divisors is an integer number (8916840).

Almost surely, 2^196788648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196788648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285338880).

196788648 is an abundant number, since it is smaller than the sum of its proper divisors (373889112).

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

196788648 is a wasteful number, since it uses less digits than its factorization.

196788648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17566 (or 17562 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 196788648 is about 14028.1377238748. The cubic root of 196788648 is about 581.6566272034.

The spelling of 196788648 in words is "one hundred ninety-six million, seven hundred eighty-eight thousand, six hundred forty-eight".