197333648 has 20 divisors (see below), whose sum is σ = 386632620. Its totient is φ = 97557504.

The previous prime is 197333641. The next prime is 197333657. The reversal of 197333648 is 846333791.

It can be written as a sum of positive squares in 2 ways, for example, as 76597504 + 120736144 = 8752^2 + 10988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197333599 and 197333608.

It is not an unprimeable number, because it can be changed into a prime (197333641) 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, 67865 + ... + 70712.

It is an arithmetic number, because the mean of its divisors is an integer number (19331631).

Almost surely, 2^197333648 is an apocalyptic number.

It is an amenable number.

197333648 is a deficient number, since it is larger than the sum of its proper divisors (189298972).

197333648 is a wasteful number, since it uses less digits than its factorization.

197333648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138674 (or 138668 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 197333648 is about 14047.5495371969. The cubic root of 197333648 is about 582.1930922067.

The spelling of 197333648 in words is "one hundred ninety-seven million, three hundred thirty-three thousand, six hundred forty-eight".