191484868 has 6 divisors (see below), whose sum is σ = 335098526. Its totient is φ = 95742432.

The previous prime is 191484859. The next prime is 191484911. The reversal of 191484868 is 868484191.

It can be written as a sum of positive squares in only one way, i.e., 136843204 + 54641664 = 11698^2 + 7392^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23935605 + ... + 23935612.

Almost surely, 2^191484868 is an apocalyptic number.

It is an amenable number.

191484868 is a deficient number, since it is larger than the sum of its proper divisors (143613658).

191484868 is a wasteful number, since it uses less digits than its factorization.

191484868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47871221 (or 47871219 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 191484868 is about 13837.8057509130. The cubic root of 191484868 is about 576.3834292781.

The spelling of 191484868 in words is "one hundred ninety-one million, four hundred eighty-four thousand, eight hundred sixty-eight".