193383938 has 16 divisors (see below), whose sum is σ = 333102240. Its totient is φ = 83275200.

The previous prime is 193383923. The next prime is 193383947. The reversal of 193383938 is 839383391.

It is a junction number, because it is equal to n+sod(n) for n = 193383892 and 193383901.

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, 230903 + ... + 231738.

It is an arithmetic number, because the mean of its divisors is an integer number (20818890).

Almost surely, 2^193383938 is an apocalyptic number.

193383938 is a deficient number, since it is larger than the sum of its proper divisors (139718302).

193383938 is a wasteful number, since it uses less digits than its factorization.

193383938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462673.

The product of its digits is 419904, while the sum is 47.

The square root of 193383938 is about 13906.2553550551. The cubic root of 193383938 is about 578.2826110445.

The spelling of 193383938 in words is "one hundred ninety-three million, three hundred eighty-three thousand, nine hundred thirty-eight".