197493398 has 4 divisors (see below), whose sum is σ = 296240100. Its totient is φ = 98746698.

The previous prime is 197493379. The next prime is 197493469. The reversal of 197493398 is 893394791.

It is a happy number.

197493398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 49373348 + ... + 49373351.

It is an arithmetic number, because the mean of its divisors is an integer number (74060025).

Almost surely, 2^197493398 is an apocalyptic number.

197493398 is a deficient number, since it is larger than the sum of its proper divisors (98746702).

197493398 is an equidigital number, since it uses as much as digits as its factorization.

197493398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98746701.

The product of its digits is 1469664, while the sum is 53.

The square root of 197493398 is about 14053.2344319733. The cubic root of 197493398 is about 582.3501532071.

The spelling of 197493398 in words is "one hundred ninety-seven million, four hundred ninety-three thousand, three hundred ninety-eight".