194630429 has 4 divisors (see below), whose sum is σ = 222434784. Its totient is φ = 166826076.

The previous prime is 194630419. The next prime is 194630437. The reversal of 194630429 is 924036491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 194630429 - 2⁸ = 194630173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194630392 and 194630401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194630419) 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, 13902167 + ... + 13902180.

It is an arithmetic number, because the mean of its divisors is an integer number (55608696).

Almost surely, 2^194630429 is an apocalyptic number.

It is an amenable number.

194630429 is a deficient number, since it is larger than the sum of its proper divisors (27804355).

194630429 is an equidigital number, since it uses as much as digits as its factorization.

194630429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27804354.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 194630429 is about 13951.0010035123. The cubic root of 194630429 is about 579.5224259364.

The spelling of 194630429 in words is "one hundred ninety-four million, six hundred thirty thousand, four hundred twenty-nine".