197856934 has 32 divisors (see below), whose sum is σ = 332812800. Its totient is φ = 87447840.

The previous prime is 197856929. The next prime is 197856941. The reversal of 197856934 is 439658791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184552 + ... + 185620.

It is an arithmetic number, because the mean of its divisors is an integer number (10400400).

Almost surely, 2^197856934 is an apocalyptic number.

197856934 is a deficient number, since it is larger than the sum of its proper divisors (134955866).

197856934 is a wasteful number, since it uses less digits than its factorization.

197856934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its digits is 1632960, while the sum is 52.

The square root of 197856934 is about 14066.1627318896. The cubic root of 197856934 is about 582.7072545605.

The spelling of 197856934 in words is "one hundred ninety-seven million, eight hundred fifty-six thousand, nine hundred thirty-four".