190928 has 10 divisors (see below), whose sum is σ = 369954. Its totient is φ = 95456.

The previous prime is 190921. The next prime is 190979. The reversal of 190928 is 829091.

190928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 7744 = 428^2 + 88^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 190928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190921) by changing a digit.

190928 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951 + ... + 5982.

2¹⁹⁰⁹²⁸ is an apocalyptic number.

It is an amenable number.

190928 is a deficient number, since it is larger than the sum of its proper divisors (179026).

190928 is a wasteful number, since it uses less digits than its factorization.

190928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941 (or 11935 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 190928 is about 436.9530867267. The cubic root of 190928 is about 57.5824148994.

The spelling of 190928 in words is "one hundred ninety thousand, nine hundred twenty-eight".