194719794 has 16 divisors (see below), whose sum is σ = 406372032. Its totient is φ = 62084528.

The previous prime is 194719787. The next prime is 194719813. The reversal of 194719794 is 497917491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705369 + ... + 705644.

It is an arithmetic number, because the mean of its divisors is an integer number (25398252).

Almost surely, 2^194719794 is an apocalyptic number.

194719794 is an abundant number, since it is smaller than the sum of its proper divisors (211652238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194719794 is a wasteful number, since it uses less digits than its factorization.

194719794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411041.

The product of its digits is 571536, while the sum is 51.

The square root of 194719794 is about 13954.2034527235. The cubic root of 194719794 is about 579.6111087073.

The spelling of 194719794 in words is "one hundred ninety-four million, seven hundred nineteen thousand, seven hundred ninety-four".