289029689 has 16 divisors (see below), whose sum is σ = 323870400. Its totient is φ = 256097856.

The previous prime is 289029683. The next prime is 289029701. The reversal of 289029689 is 986920982.

It is a cyclic number.

It is not a de Polignac number, because 289029689 - 2²⁴ = 272252473 is a prime.

It is a super-2 number, since 2×289029689² = 167076322246873442, which contains 22 as substring.

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 289029689.

It is not an unprimeable number, because it can be changed into a prime (289029683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65342 + ... + 69624.

It is an arithmetic number, because the mean of its divisors is an integer number (20241900).

Almost surely, 2^289029689 is an apocalyptic number.

289029689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

289029689 is a deficient number, since it is larger than the sum of its proper divisors (34840711).

289029689 is a wasteful number, since it uses less digits than its factorization.

289029689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 289029689 is about 17000.8731834574. The cubic root of 289029689 is about 661.1715410357.

The spelling of 289029689 in words is "two hundred eighty-nine million, twenty-nine thousand, six hundred eighty-nine".