192989429 has 4 divisors (see below), whose sum is σ = 193179840. Its totient is φ = 192799020.

The previous prime is 192989417. The next prime is 192989471. The reversal of 192989429 is 924989291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924989291 = 557 ⋅1660663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192989429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192986429) 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 3 ways as a sum of consecutive naturals, for example, 93677 + ... + 95714.

It is an arithmetic number, because the mean of its divisors is an integer number (48294960).

Almost surely, 2^192989429 is an apocalyptic number.

It is an amenable number.

192989429 is a deficient number, since it is larger than the sum of its proper divisors (190411).

192989429 is a wasteful number, since it uses less digits than its factorization.

192989429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190410.

The product of its digits is 839808, while the sum is 53.

The square root of 192989429 is about 13892.0635256250. The cubic root of 192989429 is about 577.8891054119.

The spelling of 192989429 in words is "one hundred ninety-two million, nine hundred eighty-nine thousand, four hundred twenty-nine".