194452238 has 8 divisors (see below), whose sum is σ = 292599432. Its totient is φ = 96919096.

The previous prime is 194452231. The next prime is 194452241. The reversal of 194452238 is 832254491.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194452231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152720 + ... + 153987.

It is an arithmetic number, because the mean of its divisors is an integer number (36574929).

Almost surely, 2^194452238 is an apocalyptic number.

194452238 is a deficient number, since it is larger than the sum of its proper divisors (98147194).

194452238 is a wasteful number, since it uses less digits than its factorization.

194452238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307026.

The product of its digits is 69120, while the sum is 38.

The square root of 194452238 is about 13944.6132251848. The cubic root of 194452238 is about 579.3455142177.

The spelling of 194452238 in words is "one hundred ninety-four million, four hundred fifty-two thousand, two hundred thirty-eight".