191590048 has 96 divisors (see below), whose sum is σ = 426746880. Its totient is φ = 84080640.

The previous prime is 191589973. The next prime is 191590073. The reversal of 191590048 is 840095191.

It is a junction number, because it is equal to n+sod(n) for n = 191589989 and 191590016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801513 + ... + 801751.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^191590048 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 191590048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213373440).

191590048 is an abundant number, since it is smaller than the sum of its proper divisors (235156832).

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

191590048 is a wasteful number, since it uses less digits than its factorization.

191590048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 191590048 is about 13841.6056872026. The cubic root of 191590048 is about 576.4889431204.

The spelling of 191590048 in words is "one hundred ninety-one million, five hundred ninety thousand, forty-eight".