191048 has 32 divisors (see below), whose sum is σ = 423360. Its totient is φ = 79680.

The previous prime is 191047. The next prime is 191057. The reversal of 191048 is 840191.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 191048.

It is not an unprimeable number, because it can be changed into a prime (191047) 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, 1061 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (13230).

2¹⁹¹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211680).

191048 is an abundant number, since it is smaller than the sum of its proper divisors (232312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191048 is a wasteful number, since it uses less digits than its factorization.

191048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 191048 is about 437.0903796699. The cubic root of 191048 is about 57.5944760649.

The spelling of 191048 in words is "one hundred ninety-one thousand, forty-eight".