193993982 has 16 divisors (see below), whose sum is σ = 358143072. Its totient is φ = 76744800.

The previous prime is 193993951. The next prime is 193993999. The reversal of 193993982 is 289399391.

193993982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532769 + ... + 533132.

It is an arithmetic number, because the mean of its divisors is an integer number (22383942).

Almost surely, 2^193993982 is an apocalyptic number.

193993982 is a deficient number, since it is larger than the sum of its proper divisors (164149090).

193993982 is a wasteful number, since it uses less digits than its factorization.

193993982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065923.

The product of its digits is 944784, while the sum is 53.

The square root of 193993982 is about 13928.1722418988. The cubic root of 193993982 is about 578.8900512400.

The spelling of 193993982 in words is "one hundred ninety-three million, nine hundred ninety-three thousand, nine hundred eighty-two".