194425838 has 8 divisors (see below), whose sum is σ = 308794032. Its totient is φ = 91494496.

The previous prime is 194425789. The next prime is 194425843. The reversal of 194425838 is 838524491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 2859170 + ... + 2859237.

It is an arithmetic number, because the mean of its divisors is an integer number (38599254).

Almost surely, 2^194425838 is an apocalyptic number.

194425838 is a deficient number, since it is larger than the sum of its proper divisors (114368194).

194425838 is a wasteful number, since it uses less digits than its factorization.

194425838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718426.

The product of its digits is 276480, while the sum is 44.

The square root of 194425838 is about 13943.6665909652. Note that the first 3 decimals coincide. The cubic root of 194425838 is about 579.3192945592.

The spelling of 194425838 in words is "one hundred ninety-four million, four hundred twenty-five thousand, eight hundred thirty-eight".