197959662 has 24 divisors (see below), whose sum is σ = 454143456. Its totient is φ = 62104896.

The previous prime is 197959661. The next prime is 197959687. The reversal of 197959662 is 266959791.

It is a junction number, because it is equal to n+sod(n) for n = 197959599 and 197959608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197959661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323158 + ... + 323769.

It is an arithmetic number, because the mean of its divisors is an integer number (18922644).

Almost surely, 2^197959662 is an apocalyptic number.

197959662 is an abundant number, since it is smaller than the sum of its proper divisors (256183794).

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

197959662 is a wasteful number, since it uses less digits than its factorization.

197959662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646952 (or 646949 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 197959662 is about 14069.8138580438. The cubic root of 197959662 is about 582.8080849817.

The spelling of 197959662 in words is "one hundred ninety-seven million, nine hundred fifty-nine thousand, six hundred sixty-two".