194942906 has 8 divisors (see below), whose sum is σ = 292897920. Its totient is φ = 97310268.

The previous prime is 194942879. The next prime is 194942929. The reversal of 194942906 is 609249491.

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

It is a Curzon 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, 79076 + ... + 81503.

It is an arithmetic number, because the mean of its divisors is an integer number (36612240).

Almost surely, 2^194942906 is an apocalyptic number.

194942906 is a deficient number, since it is larger than the sum of its proper divisors (97955014).

194942906 is a wasteful number, since it uses less digits than its factorization.

194942906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161188.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 194942906 is about 13962.1956009791. The cubic root of 194942906 is about 579.8323990567.

The spelling of 194942906 in words is "one hundred ninety-four million, nine hundred forty-two thousand, nine hundred six".