194863768 has 64 divisors (see below), whose sum is σ = 418544640. Its totient is φ = 84240000.

The previous prime is 194863733. The next prime is 194863771. The reversal of 194863768 is 867368491.

It is a happy number.

194863768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165823 + ... + 166993.

It is an arithmetic number, because the mean of its divisors is an integer number (6539760).

Almost surely, 2^194863768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194863768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209272320).

194863768 is an abundant number, since it is smaller than the sum of its proper divisors (223680872).

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

194863768 is a wasteful number, since it uses less digits than its factorization.

194863768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1276 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 194863768 is about 13959.3613034408. The cubic root of 194863768 is about 579.7539265301.

The spelling of 194863768 in words is "one hundred ninety-four million, eight hundred sixty-three thousand, seven hundred sixty-eight".