194944378 has 16 divisors (see below), whose sum is σ = 298080000. Its totient is φ = 95592352.

The previous prime is 194944369. The next prime is 194944397. The reversal of 194944378 is 873449491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54798 + ... + 58246.

It is an arithmetic number, because the mean of its divisors is an integer number (18630000).

Almost surely, 2^194944378 is an apocalyptic number.

194944378 is a deficient number, since it is larger than the sum of its proper divisors (103135622).

194944378 is a wasteful number, since it uses less digits than its factorization.

194944378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989.

The product of its digits is 870912, while the sum is 49.

The square root of 194944378 is about 13962.2483146519. The cubic root of 194944378 is about 579.8338584774.

The spelling of 194944378 in words is "one hundred ninety-four million, nine hundred forty-four thousand, three hundred seventy-eight".