194328039 has 8 divisors (see below), whose sum is σ = 259938432. Its totient is φ = 129134840.

The previous prime is 194328031. The next prime is 194328041. The reversal of 194328039 is 930823491.

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

It is a cyclic number.

It is not a de Polignac number, because 194328039 - 2³ = 194328031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194327988 and 194328006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194328031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103209 + ... + 105074.

It is an arithmetic number, because the mean of its divisors is an integer number (32492304).

Almost surely, 2^194328039 is an apocalyptic number.

194328039 is a deficient number, since it is larger than the sum of its proper divisors (65610393).

194328039 is a wasteful number, since it uses less digits than its factorization.

194328039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208597.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 194328039 is about 13940.1592171682. The cubic root of 194328039 is about 579.2221429484. Note that the first 3 decimals are identical.

The spelling of 194328039 in words is "one hundred ninety-four million, three hundred twenty-eight thousand, thirty-nine".