289699434 has 12 divisors (see below), whose sum is σ = 627682146. Its totient is φ = 96566472.

The previous prime is 289699391. The next prime is 289699439. The reversal of 289699434 is 434996982.

It can be written as a sum of positive squares in only one way, i.e., 287404209 + 2295225 = 16953^2 + 1515^2 .

It is not an unprimeable number, because it can be changed into a prime (289699439) 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 5 ways as a sum of consecutive naturals, for example, 8047189 + ... + 8047224.

Almost surely, 2^289699434 is an apocalyptic number.

289699434 is an abundant number, since it is smaller than the sum of its proper divisors (337982712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289699434 is a wasteful number, since it uses less digits than its factorization.

289699434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16094421 (or 16094418 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 289699434 is about 17020.5591565025. The cubic root of 289699434 is about 661.6818400997.

The spelling of 289699434 in words is "two hundred eighty-nine million, six hundred ninety-nine thousand, four hundred thirty-four".