191799048 has 32 divisors (see below), whose sum is σ = 547997760. Its totient is φ = 54799680.

The previous prime is 191799043. The next prime is 191799061. The reversal of 191799048 is 840997191.

It is a junction number, because it is equal to n+sod(n) for n = 191798988 and 191799006.

It is not an unprimeable number, because it can be changed into a prime (191799043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570663 + ... + 570998.

It is an arithmetic number, because the mean of its divisors is an integer number (17124930).

Almost surely, 2^191799048 is an apocalyptic number.

It is an amenable number.

191799048 is an abundant number, since it is smaller than the sum of its proper divisors (356198712).

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

191799048 is a wasteful number, since it uses less digits than its factorization.

191799048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141677 (or 1141673 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 191799048 is about 13849.1533315218. The cubic root of 191799048 is about 576.6984919379.

The spelling of 191799048 in words is "one hundred ninety-one million, seven hundred ninety-nine thousand, forty-eight".