191960 has 16 divisors (see below), whose sum is σ = 432000. Its totient is φ = 76768.

The previous prime is 191953. The next prime is 191969. The reversal of 191960 is 69191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191969) by changing a digit.

191960 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2¹⁹¹⁹⁶⁰ is an apocalyptic number.

191960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191960 is an abundant number, since it is smaller than the sum of its proper divisors (240040).

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

191960 is a wasteful number, since it uses less digits than its factorization.

191960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 191960 is about 438.1324000802. The cubic root of 191960 is about 57.6859762852.

The spelling of 191960 in words is "one hundred ninety-one thousand, nine hundred sixty".