192939 has 8 divisors (see below), whose sum is σ = 261072. Its totient is φ = 126720.

The previous prime is 192931. The next prime is 192949. The reversal of 192939 is 939291.

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

It is not a de Polignac number, because 192939 - 2³ = 192931 is a prime.

192939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (192931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222 + ... + 659.

It is an arithmetic number, because the mean of its divisors is an integer number (32634).

2¹⁹²⁹³⁹ is an apocalyptic number.

192939 is a deficient number, since it is larger than the sum of its proper divisors (68133).

192939 is an equidigital number, since it uses as much as digits as its factorization.

192939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957.

The product of its digits is 4374, while the sum is 33.

The square root of 192939 is about 439.2482213965. The cubic root of 192939 is about 57.7838766025.

The spelling of 192939 in words is "one hundred ninety-two thousand, nine hundred thirty-nine".