197323394 has 8 divisors (see below), whose sum is σ = 308854080. Its totient is φ = 94372036.

The previous prime is 197323381. The next prime is 197323421. The reversal of 197323394 is 493323791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144774 + ... + 2144865.

It is an arithmetic number, because the mean of its divisors is an integer number (38606760).

Almost surely, 2^197323394 is an apocalyptic number.

197323394 is a deficient number, since it is larger than the sum of its proper divisors (111530686).

197323394 is a wasteful number, since it uses less digits than its factorization.

197323394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289664.

The product of its digits is 122472, while the sum is 41.

The square root of 197323394 is about 14047.1845577682. The cubic root of 197323394 is about 582.1830079131.

The spelling of 197323394 in words is "one hundred ninety-seven million, three hundred twenty-three thousand, three hundred ninety-four".