289349029 has 4 divisors (see below), whose sum is σ = 289392876. Its totient is φ = 289305184.

The previous prime is 289349023. The next prime is 289349033. The reversal of 289349029 is 920943982.

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 204432804 + 84916225 = 14298^2 + 9215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289349029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 289349029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289349023) 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, 9784 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (72348219).

Almost surely, 2^289349029 is an apocalyptic number.

It is an amenable number.

289349029 is a deficient number, since it is larger than the sum of its proper divisors (43847).

289349029 is an equidigital number, since it uses as much as digits as its factorization.

289349029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43846.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 289349029 is about 17010.2624612320. The cubic root of 289349029 is about 661.4149541007.

The spelling of 289349029 in words is "two hundred eighty-nine million, three hundred forty-nine thousand, twenty-nine".