191442862 has 24 divisors (see below), whose sum is σ = 321692040. Its totient is φ = 85307040.

The previous prime is 191442859. The next prime is 191442863. The reversal of 191442862 is 268244191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191442863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37 + ... + 19567.

It is an arithmetic number, because the mean of its divisors is an integer number (13403835).

Almost surely, 2^191442862 is an apocalyptic number.

191442862 is a deficient number, since it is larger than the sum of its proper divisors (130249178).

191442862 is a wasteful number, since it uses less digits than its factorization.

191442862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19588 (or 19575 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 191442862 is about 13836.2878692227. The cubic root of 191442862 is about 576.3412791538.

The spelling of 191442862 in words is "one hundred ninety-one million, four hundred forty-two thousand, eight hundred sixty-two".