18341429 has 4 divisors (see below), whose sum is σ = 18933120. Its totient is φ = 17749740.

The previous prime is 18341417. The next prime is 18341431. The reversal of 18341429 is 92414381.

It is a happy number.

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 18341429 - 2²⁰ = 17292853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18341395 and 18341404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18341459) 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, 295799 + ... + 295860.

It is an arithmetic number, because the mean of its divisors is an integer number (4733280).

Almost surely, 2^18341429 is an apocalyptic number.

It is an amenable number.

18341429 is a deficient number, since it is larger than the sum of its proper divisors (591691).

18341429 is an equidigital number, since it uses as much as digits as its factorization.

18341429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591690.

The product of its digits is 6912, while the sum is 32.

The square root of 18341429 is about 4282.6894587397. The cubic root of 18341429 is about 263.7208031291.

The spelling of 18341429 in words is "eighteen million, three hundred forty-one thousand, four hundred twenty-nine".