194055438 has 8 divisors (see below), whose sum is σ = 388110888. Its totient is φ = 64685144.

The previous prime is 194055359. The next prime is 194055461. The reversal of 194055438 is 834550491.

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

194055438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 194055396 and 194055405.

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, 16171281 + ... + 16171292.

It is an arithmetic number, because the mean of its divisors is an integer number (48513861).

Almost surely, 2^194055438 is an apocalyptic number.

194055438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194055438 is a wasteful number, since it uses less digits than its factorization.

194055438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32342578.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 194055438 is about 13930.3782432495. The cubic root of 194055438 is about 578.9511742887.

The spelling of 194055438 in words is "one hundred ninety-four million, fifty-five thousand, four hundred thirty-eight".