191301448 has 32 divisors (see below), whose sum is σ = 389914560. Its totient is φ = 87462720.

The previous prime is 191301437. The next prime is 191301469. The reversal of 191301448 is 844103191.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2533 + ... + 19723.

It is an arithmetic number, because the mean of its divisors is an integer number (12184830).

Almost surely, 2^191301448 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 191301448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194957280).

191301448 is an abundant number, since it is smaller than the sum of its proper divisors (198613112).

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

191301448 is a wasteful number, since it uses less digits than its factorization.

191301448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317 (or 17313 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 191301448 is about 13831.1766672254. The cubic root of 191301448 is about 576.1993346226.

The spelling of 191301448 in words is "one hundred ninety-one million, three hundred one thousand, four hundred forty-eight".