193197961 has 8 divisors (see below), whose sum is σ = 211330944. Its totient is φ = 175159920.

The previous prime is 193197943. The next prime is 193198009. The reversal of 193197961 is 169791391.

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

It is a cyclic number.

It is not a de Polignac number, because 193197961 - 2¹³ = 193189769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (193197161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19441 + ... + 27646.

It is an arithmetic number, because the mean of its divisors is an integer number (26416368).

Almost surely, 2^193197961 is an apocalyptic number.

193197961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

193197961 is a deficient number, since it is larger than the sum of its proper divisors (18132983).

193197961 is a wasteful number, since it uses less digits than its factorization.

193197961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47471.

The product of its digits is 91854, while the sum is 46.

The square root of 193197961 is about 13899.5669356998. The cubic root of 193197961 is about 578.0971737900.

The spelling of 193197961 in words is "one hundred ninety-three million, one hundred ninety-seven thousand, nine hundred sixty-one".