194910238 has 4 divisors (see below), whose sum is σ = 292365360. Its totient is φ = 97455118.

The previous prime is 194910229. The next prime is 194910241. The reversal of 194910238 is 832019491.

194910238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832019491 = 17 ⋅48942323.

It is a junction number, because it is equal to n+sod(n) for n = 194910197 and 194910206.

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, 48727558 + ... + 48727561.

It is an arithmetic number, because the mean of its divisors is an integer number (73091340).

Almost surely, 2^194910238 is an apocalyptic number.

194910238 is a deficient number, since it is larger than the sum of its proper divisors (97455122).

194910238 is an equidigital number, since it uses as much as digits as its factorization.

194910238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97455121.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 194910238 is about 13961.0256786527. The cubic root of 194910238 is about 579.8000083371.

The spelling of 194910238 in words is "one hundred ninety-four million, nine hundred ten thousand, two hundred thirty-eight".