193384842 has 32 divisors (see below), whose sum is σ = 444331392. Its totient is φ = 54964224.

The previous prime is 193384799. The next prime is 193384861. The reversal of 193384842 is 248483391.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 193384794 and 193384803.

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 15 ways as a sum of consecutive naturals, for example, 3823 + ... + 20034.

It is an arithmetic number, because the mean of its divisors is an integer number (13885356).

Almost surely, 2^193384842 is an apocalyptic number.

193384842 is an abundant number, since it is smaller than the sum of its proper divisors (250946550).

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

193384842 is a wasteful number, since it uses less digits than its factorization.

193384842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24062.

The product of its digits is 165888, while the sum is 42.

The square root of 193384842 is about 13906.2878583754. The cubic root of 193384842 is about 578.2835121305.

The spelling of 193384842 in words is "one hundred ninety-three million, three hundred eighty-four thousand, eight hundred forty-two".