194942785 has 16 divisors (see below), whose sum is σ = 246110400. Its totient is φ = 148017856.

The previous prime is 194942771. The next prime is 194942789. The reversal of 194942785 is 587249491.

It is not a de Polignac number, because 194942785 - 2¹⁵ = 194910017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194942789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2839 + ... + 19948.

It is an arithmetic number, because the mean of its divisors is an integer number (15381900).

Almost surely, 2^194942785 is an apocalyptic number.

It is an amenable number.

194942785 is a deficient number, since it is larger than the sum of its proper divisors (51167615).

194942785 is a wasteful number, since it uses less digits than its factorization.

194942785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22880.

The product of its digits is 725760, while the sum is 49.

The square root of 194942785 is about 13962.1912678490. The cubic root of 194942785 is about 579.8322790904.

The spelling of 194942785 in words is "one hundred ninety-four million, nine hundred forty-two thousand, seven hundred eighty-five".