197194633 has 4 divisors (see below), whose sum is σ = 199109248. Its totient is φ = 195280020.

The previous prime is 197194631. The next prime is 197194643. The reversal of 197194633 is 336491791.

197194633 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 197194633 - 2¹ = 197194631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197194633.

It is not an unprimeable number, because it can be changed into a prime (197194631) 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, 957153 + ... + 957358.

It is an arithmetic number, because the mean of its divisors is an integer number (49777312).

Almost surely, 2^197194633 is an apocalyptic number.

It is an amenable number.

197194633 is a deficient number, since it is larger than the sum of its proper divisors (1914615).

197194633 is a wasteful number, since it uses less digits than its factorization.

197194633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914614.

The product of its digits is 122472, while the sum is 43.

The square root of 197194633 is about 14042.6006494524. The cubic root of 197194633 is about 582.0563481931.

The spelling of 197194633 in words is "one hundred ninety-seven million, one hundred ninety-four thousand, six hundred thirty-three".