191327248 has 120 divisors (see below), whose sum is σ = 471434112. Its totient is φ = 73531392.

The previous prime is 191327243. The next prime is 191327261. The reversal of 191327248 is 842723191.

It is a super-2 number, since 2×191327248² = 73212231654507008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (191327243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744336 + ... + 744592.

Almost surely, 2^191327248 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 191327248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235717056).

191327248 is an abundant number, since it is smaller than the sum of its proper divisors (280106864).

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

191327248 is a wasteful number, since it uses less digits than its factorization.

191327248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 306 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 191327248 is about 13832.1093113090. The cubic root of 191327248 is about 576.2252366300.

It can be divided in two parts, 1913 and 27248, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 191327248 in words is "one hundred ninety-one million, three hundred twenty-seven thousand, two hundred forty-eight".