197194506 has 8 divisors (see below), whose sum is σ = 394389024. Its totient is φ = 65731500.

The previous prime is 197194499. The next prime is 197194513. The reversal of 197194506 is 605491791.

It is an interprime number because it is at equal distance from previous prime (197194499) and next prime (197194513).

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

197194506 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 in 3 ways as a sum of consecutive naturals, for example, 16432870 + ... + 16432881.

It is an arithmetic number, because the mean of its divisors is an integer number (49298628).

Almost surely, 2^197194506 is an apocalyptic number.

197194506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197194506 is a wasteful number, since it uses less digits than its factorization.

197194506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32865756.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 197194506 is about 14042.5961274972. The cubic root of 197194506 is about 582.0562232384.

The spelling of 197194506 in words is "one hundred ninety-seven million, one hundred ninety-four thousand, five hundred six".