195521948 has 12 divisors (see below), whose sum is σ = 350509152. Its totient is φ = 95376480.

The previous prime is 195521941. The next prime is 195521969. The reversal of 195521948 is 849125591.

It is a junction number, because it is equal to n+sod(n) for n = 195521899 and 195521908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195521941) by changing a digit.

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, 595940 + ... + 596267.

It is an arithmetic number, because the mean of its divisors is an integer number (29209096).

Almost surely, 2^195521948 is an apocalyptic number.

It is an amenable number.

195521948 is a deficient number, since it is larger than the sum of its proper divisors (154987204).

195521948 is a wasteful number, since it uses less digits than its factorization.

195521948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192252 (or 1192250 counting only the distinct ones).

The product of its digits is 129600, while the sum is 44.

The square root of 195521948 is about 13982.9162909602. The cubic root of 195521948 is about 580.4059266964.

The spelling of 195521948 in words is "one hundred ninety-five million, five hundred twenty-one thousand, nine hundred forty-eight".