197894102 has 16 divisors (see below), whose sum is σ = 341839872. Its totient is φ = 84163560.

The previous prime is 197894089. The next prime is 197894129. The reversal of 197894102 is 201498791.

It is a self number, because there is not a number n which added to its sum of digits gives 197894102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52118 + ... + 55785.

It is an arithmetic number, because the mean of its divisors is an integer number (21364992).

Almost surely, 2^197894102 is an apocalyptic number.

197894102 is a deficient number, since it is larger than the sum of its proper divisors (143945770).

197894102 is a wasteful number, since it uses less digits than its factorization.

197894102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108043.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 197894102 is about 14067.4838546202. The cubic root of 197894102 is about 582.7437400263.

The spelling of 197894102 in words is "one hundred ninety-seven million, eight hundred ninety-four thousand, one hundred two".