289040429 has 8 divisors (see below), whose sum is σ = 296148960. Its totient is φ = 281993296.

The previous prime is 289040417. The next prime is 289040431. The reversal of 289040429 is 924040982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 289040429 - 2⁴ = 289040413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289040392 and 289040401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289040489) by changing a digit.

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, 5747 + ... + 24720.

It is an arithmetic number, because the mean of its divisors is an integer number (37018620).

Almost surely, 2^289040429 is an apocalyptic number.

It is an amenable number.

289040429 is a deficient number, since it is larger than the sum of its proper divisors (7108531).

289040429 is a wasteful number, since it uses less digits than its factorization.

289040429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30699.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 289040429 is about 17001.1890466520. The cubic root of 289040429 is about 661.1797303840.

The spelling of 289040429 in words is "two hundred eighty-nine million, forty thousand, four hundred twenty-nine".