194938067 has 8 divisors (see below), whose sum is σ = 199876992. Its totient is φ = 190008000.

The previous prime is 194938061. The next prime is 194938069. The reversal of 194938067 is 760839491.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194938067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194938061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78773 + ... + 81209.

It is an arithmetic number, because the mean of its divisors is an integer number (24984624).

Almost surely, 2^194938067 is an apocalyptic number.

194938067 is a deficient number, since it is larger than the sum of its proper divisors (4938925).

194938067 is a wasteful number, since it uses less digits than its factorization.

194938067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 194938067 is about 13962.0223105394. The cubic root of 194938067 is about 579.8276013576.

The spelling of 194938067 in words is "one hundred ninety-four million, nine hundred thirty-eight thousand, sixty-seven".