197695842 has 16 divisors (see below), whose sum is σ = 409026240. Its totient is φ = 63626192.

The previous prime is 197695837. The next prime is 197695859. The reversal of 197695842 is 248596791.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 567918 + ... + 568265.

It is an arithmetic number, because the mean of its divisors is an integer number (25564140).

Almost surely, 2^197695842 is an apocalyptic number.

197695842 is an abundant number, since it is smaller than the sum of its proper divisors (211330398).

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

197695842 is a wasteful number, since it uses less digits than its factorization.

197695842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136217.

The product of its digits is 1088640, while the sum is 51.

The square root of 197695842 is about 14060.4353417666. The cubic root of 197695842 is about 582.5490679315.

The spelling of 197695842 in words is "one hundred ninety-seven million, six hundred ninety-five thousand, eight hundred forty-two".