191938482 has 24 divisors (see below), whose sum is σ = 416264940. Its totient is φ = 63918240.

The previous prime is 191938477. The next prime is 191938511. The reversal of 191938482 is 284839191.

191938482 is a `hidden beast` number, since 191 + 9 + 384 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 127441521 + 64496961 = 11289^2 + 8031^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16744 + ... + 25772.

Almost surely, 2^191938482 is an apocalyptic number.

191938482 is an abundant number, since it is smaller than the sum of its proper divisors (224326458).

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

191938482 is a wasteful number, since it uses less digits than its factorization.

191938482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218 (or 10215 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 191938482 is about 13854.1864430937. The cubic root of 191938482 is about 576.8382074378.

It can be divided in two parts, 1919 and 38482, that added together give a square (40401 = 201²).

The spelling of 191938482 in words is "one hundred ninety-one million, nine hundred thirty-eight thousand, four hundred eighty-two".