191884482 has 48 divisors (see below), whose sum is σ = 430789632. Its totient is φ = 61663680.

The previous prime is 191884421. The next prime is 191884487. The reversal of 191884482 is 284488191.

191884482 is a `hidden beast` number, since 1 + 91 + 8 + 84 + 482 = 666.

It is not an unprimeable number, because it can be changed into a prime (191884487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204318 + ... + 205254.

It is an arithmetic number, because the mean of its divisors is an integer number (8974784).

Almost surely, 2^191884482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191884482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215394816).

191884482 is an abundant number, since it is smaller than the sum of its proper divisors (238905150).

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

191884482 is a wasteful number, since it uses less digits than its factorization.

191884482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1340 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 191884482 is about 13852.2374366021. The cubic root of 191884482 is about 576.7841064492.

The spelling of 191884482 in words is "one hundred ninety-one million, eight hundred eighty-four thousand, four hundred eighty-two".