194012447 has 4 divisors (see below), whose sum is σ = 195408360. Its totient is φ = 192616536.

The previous prime is 194012411. The next prime is 194012461. The reversal of 194012447 is 744210491.

194012447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 194012447 - 2²⁶ = 126903583 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 (194012047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697748 + ... + 698025.

It is an arithmetic number, because the mean of its divisors is an integer number (48852090).

Almost surely, 2^194012447 is an apocalyptic number.

194012447 is a deficient number, since it is larger than the sum of its proper divisors (1395913).

194012447 is a wasteful number, since it uses less digits than its factorization.

194012447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395912.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 194012447 is about 13928.8350912774. The cubic root of 194012447 is about 578.9084175583.

The spelling of 194012447 in words is "one hundred ninety-four million, twelve thousand, four hundred forty-seven".