197368642 has 8 divisors (see below), whose sum is σ = 296382096. Its totient is φ = 98574612.

The previous prime is 197368631. The next prime is 197368643. The reversal of 197368642 is 246863791.

197368642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 197368592 and 197368601.

It is not an unprimeable number, because it can be changed into a prime (197368643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52588 + ... + 56215.

It is an arithmetic number, because the mean of its divisors is an integer number (37047762).

Almost surely, 2^197368642 is an apocalyptic number.

197368642 is a deficient number, since it is larger than the sum of its proper divisors (99013454).

197368642 is a wasteful number, since it uses less digits than its factorization.

197368642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109712.

The product of its digits is 435456, while the sum is 46.

The square root of 197368642 is about 14048.7950372977. The cubic root of 197368642 is about 582.2275044169.

The spelling of 197368642 in words is "one hundred ninety-seven million, three hundred sixty-eight thousand, six hundred forty-two".