197231896 has 16 divisors (see below), whose sum is σ = 372294000. Its totient is φ = 97953504.

The previous prime is 197231893. The next prime is 197231917. The reversal of 197231896 is 698132791.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197231893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81540 + ... + 83923.

It is an arithmetic number, because the mean of its divisors is an integer number (23268375).

Almost surely, 2^197231896 is an apocalyptic number.

It is an amenable number.

197231896 is a deficient number, since it is larger than the sum of its proper divisors (175062104).

197231896 is a wasteful number, since it uses less digits than its factorization.

197231896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165618 (or 165614 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 197231896 is about 14043.9273709315. The cubic root of 197231896 is about 582.0930087576.

The spelling of 197231896 in words is "one hundred ninety-seven million, two hundred thirty-one thousand, eight hundred ninety-six".