197315942 has 48 divisors (see below), whose sum is σ = 328482000. Its totient is φ = 88748352.

The previous prime is 197315933. The next prime is 197315953. The reversal of 197315942 is 249513791.

It is a self number, because there is not a number n which added to its sum of digits gives 197315942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1810184 + ... + 1810292.

It is an arithmetic number, because the mean of its divisors is an integer number (6843375).

Almost surely, 2^197315942 is an apocalyptic number.

197315942 is a deficient number, since it is larger than the sum of its proper divisors (131166058).

197315942 is a wasteful number, since it uses less digits than its factorization.

197315942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 222 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 197315942 is about 14046.9193063817. The cubic root of 197315942 is about 582.1756790264.

The spelling of 197315942 in words is "one hundred ninety-seven million, three hundred fifteen thousand, nine hundred forty-two".