197870874 has 16 divisors (see below), whose sum is σ = 397732800. Its totient is φ = 65625120.

The previous prime is 197870867. The next prime is 197870887. The reversal of 197870874 is 478078791.

197870874 is digitally balanced in base 2, 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 7 ways as a sum of consecutive naturals, for example, 81667 + ... + 84054.

It is an arithmetic number, because the mean of its divisors is an integer number (24858300).

Almost surely, 2^197870874 is an apocalyptic number.

197870874 is an abundant number, since it is smaller than the sum of its proper divisors (199861926).

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

197870874 is a wasteful number, since it uses less digits than its factorization.

197870874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165925.

The product of its (nonzero) digits is 790272, while the sum is 51.

The square root of 197870874 is about 14066.6582385441. The cubic root of 197870874 is about 582.7209391089.

The spelling of 197870874 in words is "one hundred ninety-seven million, eight hundred seventy thousand, eight hundred seventy-four".