191969248 has 24 divisors (see below), whose sum is σ = 378795312. Its totient is φ = 95767296.

The previous prime is 191969221. The next prime is 191969311. The reversal of 191969248 is 842969191.

It is a happy number.

It is a congruent number.

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, 8061 + ... + 21187.

It is an arithmetic number, because the mean of its divisors is an integer number (15783138).

Almost surely, 2^191969248 is an apocalyptic number.

It is an amenable number.

191969248 is a deficient number, since it is larger than the sum of its proper divisors (186826064).

191969248 is a wasteful number, since it uses less digits than its factorization.

191969248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13594 (or 13586 counting only the distinct ones).

The product of its digits is 279936, while the sum is 49.

The square root of 191969248 is about 13855.2967488972. The cubic root of 191969248 is about 576.8690264376.

The spelling of 191969248 in words is "one hundred ninety-one million, nine hundred sixty-nine thousand, two hundred forty-eight".