197791336 has 24 divisors (see below), whose sum is σ = 378410130. Its totient is φ = 96887648.

The previous prime is 197791333. The next prime is 197791337. The reversal of 197791336 is 633197791.

It can be written as a sum of positive squares in only one way, i.e., 151142436 + 46648900 = 12294^2 + 6830^2 .

It is not an unprimeable number, because it can be changed into a prime (197791331) 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 in 5 ways as a sum of consecutive naturals, for example, 289251 + ... + 289933.

Almost surely, 2^197791336 is an apocalyptic number.

It is an amenable number.

197791336 is a deficient number, since it is larger than the sum of its proper divisors (180618794).

197791336 is an frugal number, since it uses more digits than its factorization.

197791336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 738 counting only the distinct ones).

The product of its digits is 214326, while the sum is 46.

The square root of 197791336 is about 14063.8307725882. The cubic root of 197791336 is about 582.6428500186.

It can be divided in two parts, 19779 and 1336, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 197791336 in words is "one hundred ninety-seven million, seven hundred ninety-one thousand, three hundred thirty-six".