191794968 has 144 divisors (see below), whose sum is σ = 563453280. Its totient is φ = 58900608.

The previous prime is 191794957. The next prime is 191794973. The reversal of 191794968 is 869497191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1221546 + ... + 1221702.

It is an arithmetic number, because the mean of its divisors is an integer number (3912870).

Almost surely, 2^191794968 is an apocalyptic number.

191794968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191794968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281726640).

191794968 is an abundant number, since it is smaller than the sum of its proper divisors (371658312).

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

191794968 is a wasteful number, since it uses less digits than its factorization.

191794968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 228 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 191794968 is about 13849.0060293149. The cubic root of 191794968 is about 576.6944026814.

The spelling of 191794968 in words is "one hundred ninety-one million, seven hundred ninety-four thousand, nine hundred sixty-eight".