194397741 has 12 divisors (see below), whose sum is σ = 288386332. Its totient is φ = 126095616.

The previous prime is 194397691. The next prime is 194397773. The reversal of 194397741 is 147793491.

194397741 is a `hidden beast` number, since 194 + 397 + 74 + 1 = 666.

194397741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 188375625 + 6022116 = 13725^2 + 2454^2 .

It is not a de Polignac number, because 194397741 - 2¹¹ = 194395693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194392741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291556 + ... + 292221.

Almost surely, 2^194397741 is an apocalyptic number.

It is an amenable number.

194397741 is a deficient number, since it is larger than the sum of its proper divisors (93988591).

194397741 is a wasteful number, since it uses less digits than its factorization.

194397741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583820 (or 583817 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 194397741 is about 13942.6590362097. The cubic root of 194397741 is about 579.2913868858.

The spelling of 194397741 in words is "one hundred ninety-four million, three hundred ninety-seven thousand, seven hundred forty-one".