192971938 has 8 divisors (see below), whose sum is σ = 289710288. Its totient is φ = 96401844.

The previous prime is 192971927. The next prime is 192971939. The reversal of 192971938 is 839179291.

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

It is a junction number, because it is equal to n+sod(n) for n = 192971891 and 192971900.

It is not an unprimeable number, because it can be changed into a prime (192971939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39156 + ... + 43807.

It is an arithmetic number, because the mean of its divisors is an integer number (36213786).

Almost surely, 2^192971938 is an apocalyptic number.

192971938 is a deficient number, since it is larger than the sum of its proper divisors (96738350).

192971938 is a wasteful number, since it uses less digits than its factorization.

192971938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84128.

The product of its digits is 244944, while the sum is 49.

The square root of 192971938 is about 13891.4339792550. The cubic root of 192971938 is about 577.8716464872.

The spelling of 192971938 in words is "one hundred ninety-two million, nine hundred seventy-one thousand, nine hundred thirty-eight".