197206971 has 32 divisors (see below), whose sum is σ = 290992128. Its totient is φ = 118039680.

The previous prime is 197206967. The next prime is 197206981. The reversal of 197206971 is 179602791.

It is a happy number.

It is not a de Polignac number, because 197206971 - 2² = 197206967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197206981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496545 + ... + 496941.

It is an arithmetic number, because the mean of its divisors is an integer number (9093504).

Almost surely, 2^197206971 is an apocalyptic number.

197206971 is a deficient number, since it is larger than the sum of its proper divisors (93785157).

197206971 is a wasteful number, since it uses less digits than its factorization.

197206971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 47628, while the sum is 42.

The square root of 197206971 is about 14043.0399486721. The cubic root of 197206971 is about 582.0684872345.

The spelling of 197206971 in words is "one hundred ninety-seven million, two hundred six thousand, nine hundred seventy-one".