193279089 has 8 divisors (see below), whose sum is σ = 259347520. Its totient is φ = 128031696.

The previous prime is 193279067. The next prime is 193279091. The reversal of 193279089 is 980972391.

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

It is not a de Polignac number, because 193279089 - 2⁵ = 193279057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193274089) 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 7 ways as a sum of consecutive naturals, for example, 204709 + ... + 205650.

It is an arithmetic number, because the mean of its divisors is an integer number (32418440).

Almost surely, 2^193279089 is an apocalyptic number.

It is an amenable number.

193279089 is a deficient number, since it is larger than the sum of its proper divisors (66068431).

193279089 is a wasteful number, since it uses less digits than its factorization.

193279089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410519.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 193279089 is about 13902.4849936981. The cubic root of 193279089 is about 578.1780809660.

The spelling of 193279089 in words is "one hundred ninety-three million, two hundred seventy-nine thousand, eighty-nine".