194442494 has 8 divisors (see below), whose sum is σ = 292392288. Its totient is φ = 96978400.

The previous prime is 194442439. The next prime is 194442497. The reversal of 194442494 is 494244491.

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

It is a super-5 number, since 5×194442494⁵ (a number of 43 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194442497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120422 + ... + 122025.

It is an arithmetic number, because the mean of its divisors is an integer number (36549036).

Almost surely, 2^194442494 is an apocalyptic number.

194442494 is a deficient number, since it is larger than the sum of its proper divisors (97949794).

194442494 is a wasteful number, since it uses less digits than its factorization.

194442494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242850.

The product of its digits is 165888, while the sum is 41.

The square root of 194442494 is about 13944.2638385825. The cubic root of 194442494 is about 579.3358370564.

The spelling of 194442494 in words is "one hundred ninety-four million, four hundred forty-two thousand, four hundred ninety-four".