196395648 has 32 divisors (see below), whose sum is σ = 521676960. Its totient is φ = 65465088.

The previous prime is 196395629. The next prime is 196395649. The reversal of 196395648 is 846593691.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 196395648.

It is not an unprimeable number, because it can be changed into a prime (196395649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255340 + ... + 256107.

It is an arithmetic number, because the mean of its divisors is an integer number (16302405).

Almost surely, 2^196395648 is an apocalyptic number.

It is an amenable number.

196395648 is an abundant number, since it is smaller than the sum of its proper divisors (325281312).

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

196395648 is an equidigital number, since it uses as much as digits as its factorization.

196395648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511464 (or 511452 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 196395648 is about 14014.1231620105. The cubic root of 196395648 is about 581.2691668555.

The spelling of 196395648 in words is "one hundred ninety-six million, three hundred ninety-five thousand, six hundred forty-eight".