191285852 has 6 divisors (see below), whose sum is σ = 334750248. Its totient is φ = 95642924.

The previous prime is 191285833. The next prime is 191285923. The reversal of 191285852 is 258582191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23910728 + ... + 23910735.

It is an arithmetic number, because the mean of its divisors is an integer number (55791708).

Almost surely, 2^191285852 is an apocalyptic number.

It is an amenable number.

191285852 is a deficient number, since it is larger than the sum of its proper divisors (143464396).

191285852 is a wasteful number, since it uses less digits than its factorization.

191285852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47821467 (or 47821465 counting only the distinct ones).

The product of its digits is 57600, while the sum is 41.

The square root of 191285852 is about 13830.6128569923. The cubic root of 191285852 is about 576.1836758301.

The spelling of 191285852 in words is "one hundred ninety-one million, two hundred eighty-five thousand, eight hundred fifty-two".