191856048 has 20 divisors (see below), whose sum is σ = 495628248. Its totient is φ = 63952000.

The previous prime is 191856031. The next prime is 191856059. The reversal of 191856048 is 840658191.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998453 + ... + 1998548.

Almost surely, 2^191856048 is an apocalyptic number.

It is an amenable number.

191856048 is an abundant number, since it is smaller than the sum of its proper divisors (303772200).

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

191856048 is a wasteful number, since it uses less digits than its factorization.

191856048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997012 (or 3997006 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 191856048 is about 13851.2110661848. The cubic root of 191856048 is about 576.7556151937.

The spelling of 191856048 in words is "one hundred ninety-one million, eight hundred fifty-six thousand, forty-eight".