289138002 has 16 divisors (see below), whose sum is σ = 589187520. Its totient is φ = 94560752.

The previous prime is 289137997. The next prime is 289138007. The reversal of 289138002 is 200831982.

It is an interprime number because it is at equal distance from previous prime (289137997) and next prime (289138007).

It is not an unprimeable number, because it can be changed into a prime (289138007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454302 + ... + 454937.

It is an arithmetic number, because the mean of its divisors is an integer number (36824220).

Almost surely, 2^289138002 is an apocalyptic number.

289138002 is an abundant number, since it is smaller than the sum of its proper divisors (300049518).

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

289138002 is a wasteful number, since it uses less digits than its factorization.

289138002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909297.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 289138002 is about 17004.0583979237. The cubic root of 289138002 is about 661.2541213980.

Adding to 289138002 its reverse (200831982), we get a palindrome (489969984).

The spelling of 289138002 in words is "two hundred eighty-nine million, one hundred thirty-eight thousand, two".