197306248 has 8 divisors (see below), whose sum is σ = 369949230. Its totient is φ = 98653120.

The previous prime is 197306243. The next prime is 197306257. The reversal of 197306248 is 842603791.

It can be written as a sum of positive squares in only one way, i.e., 180150084 + 17156164 = 13422^2 + 4142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 197306248.

It is not an unprimeable number, because it can be changed into a prime (197306243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12331633 + ... + 12331648.

Almost surely, 2^197306248 is an apocalyptic number.

It is an amenable number.

197306248 is a deficient number, since it is larger than the sum of its proper divisors (172642982).

197306248 is a wasteful number, since it uses less digits than its factorization.

197306248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24663287 (or 24663283 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 197306248 is about 14046.5742442775. The cubic root of 197306248 is about 582.1661449032.

The spelling of 197306248 in words is "one hundred ninety-seven million, three hundred six thousand, two hundred forty-eight".