197349794 has 4 divisors (see below), whose sum is σ = 296024694. Its totient is φ = 98674896.

The previous prime is 197349781. The next prime is 197349811. The reversal of 197349794 is 497943791.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 169650625 + 27699169 = 13025^2 + 5263^2 .

It is a Curzon 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, 49337447 + ... + 49337450.

Almost surely, 2^197349794 is an apocalyptic number.

197349794 is a deficient number, since it is larger than the sum of its proper divisors (98674900).

197349794 is an equidigital number, since it uses as much as digits as its factorization.

197349794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98674899.

The product of its digits is 1714608, while the sum is 53.

The square root of 197349794 is about 14048.1242164212. The cubic root of 197349794 is about 582.2089702782.

The spelling of 197349794 in words is "one hundred ninety-seven million, three hundred forty-nine thousand, seven hundred ninety-four".