191295048 has 128 divisors (see below), whose sum is σ = 589086720. Its totient is φ = 50561280.

The previous prime is 191295047. The next prime is 191295121. The reversal of 191295048 is 840592191.

It is a junction number, because it is equal to n+sod(n) for n = 191294997 and 191295015.

It is not an unprimeable number, because it can be changed into a prime (191295047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118986 + ... + 120582.

It is an arithmetic number, because the mean of its divisors is an integer number (4602240).

Almost surely, 2^191295048 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 191295048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294543360).

191295048 is an abundant number, since it is smaller than the sum of its proper divisors (397791672).

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

191295048 is a wasteful number, since it uses less digits than its factorization.

191295048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 191295048 is about 13830.9453039190. The cubic root of 191295048 is about 576.1929089579.

The spelling of 191295048 in words is "one hundred ninety-one million, two hundred ninety-five thousand, forty-eight".