193115982 has 8 divisors (see below), whose sum is σ = 386231976. Its totient is φ = 64371992.

The previous prime is 193115977. The next prime is 193116013. The reversal of 193115982 is 289511391.

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

193115982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 193115982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16092993 + ... + 16093004.

It is an arithmetic number, because the mean of its divisors is an integer number (48278997).

Almost surely, 2^193115982 is an apocalyptic number.

193115982 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.

193115982 is a wasteful number, since it uses less digits than its factorization.

193115982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32186002.

The product of its digits is 19440, while the sum is 39.

The square root of 193115982 is about 13896.6176460317. The cubic root of 193115982 is about 578.0153949197.

The spelling of 193115982 in words is "one hundred ninety-three million, one hundred fifteen thousand, nine hundred eighty-two".