197857196 has 12 divisors (see below), whose sum is σ = 347804352. Its totient is φ = 98484528.

The previous prime is 197857189. The next prime is 197857207. The reversal of 197857196 is 691758791.

197857196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110015 + ... + 111798.

It is an arithmetic number, because the mean of its divisors is an integer number (28983696).

Almost surely, 2^197857196 is an apocalyptic number.

It is an amenable number.

197857196 is a deficient number, since it is larger than the sum of its proper divisors (149947156).

197857196 is a wasteful number, since it uses less digits than its factorization.

197857196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222040 (or 222038 counting only the distinct ones).

The product of its digits is 952560, while the sum is 53.

The square root of 197857196 is about 14066.1720450164. The cubic root of 197857196 is about 582.7075117653.

The spelling of 197857196 in words is "one hundred ninety-seven million, eight hundred fifty-seven thousand, one hundred ninety-six".