197284842 has 16 divisors (see below), whose sum is σ = 438410880. Its totient is φ = 65761596.

The previous prime is 197284807. The next prime is 197284873. The reversal of 197284842 is 248482791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826658 + ... + 1826765.

It is an arithmetic number, because the mean of its divisors is an integer number (27400680).

Almost surely, 2^197284842 is an apocalyptic number.

197284842 is an abundant number, since it is smaller than the sum of its proper divisors (241126038).

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

197284842 is a wasteful number, since it uses less digits than its factorization.

197284842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653434 (or 3653428 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 197284842 is about 14045.8122584634. The cubic root of 197284842 is about 582.1450908323.

The spelling of 197284842 in words is "one hundred ninety-seven million, two hundred eighty-four thousand, eight hundred forty-two".