194992208 has 10 divisors (see below), whose sum is σ = 377797434. Its totient is φ = 97496096.

The previous prime is 194992157. The next prime is 194992219. The reversal of 194992208 is 802299491.

194992208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 176570944 + 18421264 = 13288^2 + 4292^2 .

It is a super-2 number, since 2×194992208² = 76043922361430528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6093491 + ... + 6093522.

Almost surely, 2^194992208 is an apocalyptic number.

It is an amenable number.

194992208 is a deficient number, since it is larger than the sum of its proper divisors (182805226).

194992208 is a wasteful number, since it uses less digits than its factorization.

194992208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187021 (or 12187015 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 194992208 is about 13963.9610426268. The cubic root of 194992208 is about 579.8812757388.

The spelling of 194992208 in words is "one hundred ninety-four million, nine hundred ninety-two thousand, two hundred eight".