289034329 has 4 divisors (see below), whose sum is σ = 299001060. Its totient is φ = 279067600.

The previous prime is 289034311. The next prime is 289034351. The reversal of 289034329 is 923430982.

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

It can be written as a sum of positive squares in 2 ways, for example, as 143880025 + 145154304 = 11995^2 + 12048^2 .

It is a cyclic number.

It is not a de Polignac number, because 289034329 - 2⁹ = 289033817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289034291 and 289034300.

It is not an unprimeable number, because it can be changed into a prime (289034309) 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, 4983322 + ... + 4983379.

It is an arithmetic number, because the mean of its divisors is an integer number (74750265).

Almost surely, 2^289034329 is an apocalyptic number.

289034329 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

289034329 is a deficient number, since it is larger than the sum of its proper divisors (9966731).

289034329 is an equidigital number, since it uses as much as digits as its factorization.

289034329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9966730.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 289034329 is about 17001.0096464886. The cubic root of 289034329 is about 661.1750791030.

The spelling of 289034329 in words is "two hundred eighty-nine million, thirty-four thousand, three hundred twenty-nine".