194619868 has 6 divisors (see below), whose sum is σ = 340584776. Its totient is φ = 97309932.

The previous prime is 194619863. The next prime is 194619917. The reversal of 194619868 is 868916491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194619863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24327480 + ... + 24327487.

Almost surely, 2^194619868 is an apocalyptic number.

It is an amenable number.

194619868 is a deficient number, since it is larger than the sum of its proper divisors (145964908).

194619868 is a wasteful number, since it uses less digits than its factorization.

194619868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48654971 (or 48654969 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 194619868 is about 13950.6224950717. The cubic root of 194619868 is about 579.5119437675.

The spelling of 194619868 in words is "one hundred ninety-four million, six hundred nineteen thousand, eight hundred sixty-eight".