192981339 has 32 divisors (see below), whose sum is σ = 301171200. Its totient is φ = 121888800.

The previous prime is 192981329. The next prime is 192981343. The reversal of 192981339 is 933189291.

It is a happy number.

It is not a de Polignac number, because 192981339 - 2⁴ = 192981323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 192981294 and 192981303.

It is not an unprimeable number, because it can be changed into a prime (192981329) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 66264 + ... + 69114.

It is an arithmetic number, because the mean of its divisors is an integer number (9411600).

Almost surely, 2^192981339 is an apocalyptic number.

192981339 is a deficient number, since it is larger than the sum of its proper divisors (108189861).

192981339 is a wasteful number, since it uses less digits than its factorization.

192981339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2986 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 192981339 is about 13891.7723491281. The cubic root of 192981339 is about 577.8810303786.

The spelling of 192981339 in words is "one hundred ninety-two million, nine hundred eighty-one thousand, three hundred thirty-nine".