194008868 has 12 divisors (see below), whose sum is σ = 339934812. Its totient is φ = 96884640.

The previous prime is 194008817. The next prime is 194008873. The reversal of 194008868 is 868800491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44729344 + 149279524 = 6688^2 + 12218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26255 + ... + 32822.

It is an arithmetic number, because the mean of its divisors is an integer number (28327901).

Almost surely, 2^194008868 is an apocalyptic number.

It is an amenable number.

194008868 is a deficient number, since it is larger than the sum of its proper divisors (145925944).

194008868 is a wasteful number, since it uses less digits than its factorization.

194008868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59902 (or 59900 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 194008868 is about 13928.7066161938. The cubic root of 194008868 is about 578.9048577764.

The spelling of 194008868 in words is "one hundred ninety-four million, eight thousand, eight hundred sixty-eight".