191748 has 36 divisors (see below), whose sum is σ = 487760. Its totient is φ = 58464.

The previous prime is 191747. The next prime is 191749. The reversal of 191748 is 847191.

It is an interprime number because it is at equal distance from previous prime (191747) and next prime (191749).

Its product of digits (2016) is a multiple of the sum of its prime factors (84).

It is not an unprimeable number, because it can be changed into a prime (191747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6598 + ... + 6626.

2¹⁹¹⁷⁴⁸ 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 191748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243880).

191748 is an abundant number, since it is smaller than the sum of its proper divisors (296012).

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

191748 is a wasteful number, since it uses less digits than its factorization.

191748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 53 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 191748 is about 437.8903972457. The cubic root of 191748 is about 57.6647323945.

It can be divided in two parts, 191 and 748, that added together give a palindrome (939).

The spelling of 191748 in words is "one hundred ninety-one thousand, seven hundred forty-eight".