197655342 has 24 divisors (see below), whose sum is σ = 405208248. Its totient is φ = 64274880.

The previous prime is 197655313. The next prime is 197655343. The reversal of 197655342 is 243556791.

It is a super-2 number, since 2×197655342² = 78135268442273928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197655294 and 197655303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197655343) 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, 288 + ... + 19884.

It is an arithmetic number, because the mean of its divisors is an integer number (16883677).

Almost surely, 2^197655342 is an apocalyptic number.

197655342 is an abundant number, since it is smaller than the sum of its proper divisors (207552906).

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

197655342 is a wasteful number, since it uses less digits than its factorization.

197655342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19684 (or 19643 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 197655342 is about 14058.9950565465. The cubic root of 197655342 is about 582.5092848514.

The spelling of 197655342 in words is "one hundred ninety-seven million, six hundred fifty-five thousand, three hundred forty-two".