197015856 has 40 divisors (see below), whose sum is σ = 538898544. Its totient is φ = 61808640.

The previous prime is 197015851. The next prime is 197015867. The reversal of 197015856 is 658510791.

It is not an unprimeable number, because it can be changed into a prime (197015851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119905 + ... + 121536.

Almost surely, 2^197015856 is an apocalyptic number.

197015856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197015856 is an abundant number, since it is smaller than the sum of its proper divisors (341882688).

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

197015856 is a wasteful number, since it uses less digits than its factorization.

197015856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241469 (or 241463 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 197015856 is about 14036.2336828652. The cubic root of 197015856 is about 581.8803972413.

The spelling of 197015856 in words is "one hundred ninety-seven million, fifteen thousand, eight hundred fifty-six".