197931882 has 16 divisors (see below), whose sum is σ = 413075520. Its totient is φ = 63108672.

The previous prime is 197931871. The next prime is 197931971. The reversal of 197931882 is 288139791.

It is a super-3 number, since 3×197931882³ (a number of 26 digits) contains 333 as substring.

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, 717007 + ... + 717282.

It is an arithmetic number, because the mean of its divisors is an integer number (25817220).

Almost surely, 2^197931882 is an apocalyptic number.

197931882 is an abundant number, since it is smaller than the sum of its proper divisors (215143638).

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

197931882 is a wasteful number, since it uses less digits than its factorization.

197931882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434317.

The product of its digits is 217728, while the sum is 48.

The square root of 197931882 is about 14068.8266035231. The cubic root of 197931882 is about 582.7808215721.

The spelling of 197931882 in words is "one hundred ninety-seven million, nine hundred thirty-one thousand, eight hundred eighty-two".