190928193 has 8 divisors (see below), whose sum is σ = 254654400. Its totient is φ = 127243728.

The previous prime is 190928183. The next prime is 190928219. The reversal of 190928193 is 391829091.

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

It is not a de Polignac number, because 190928193 - 2⁵ = 190928161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190928183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2548 + ... + 19706.

It is an arithmetic number, because the mean of its divisors is an integer number (31831800).

Almost surely, 2^190928193 is an apocalyptic number.

It is an amenable number.

190928193 is a deficient number, since it is larger than the sum of its proper divisors (63726207).

190928193 is a wasteful number, since it uses less digits than its factorization.

190928193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20871.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 190928193 is about 13817.6768307845. The cubic root of 190928193 is about 575.8243430179.

The spelling of 190928193 in words is "one hundred ninety million, nine hundred twenty-eight thousand, one hundred ninety-three".