289689395 has 16 divisors (see below), whose sum is σ = 356856192. Its totient is φ = 225623040.

The previous prime is 289689373. The next prime is 289689403. The reversal of 289689395 is 593986982.

It is not a de Polignac number, because 289689395 - 2¹⁴ = 289673011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 120374 + ... + 122756.

It is an arithmetic number, because the mean of its divisors is an integer number (22303512).

Almost surely, 2^289689395 is an apocalyptic number.

289689395 is a deficient number, since it is larger than the sum of its proper divisors (67166797).

289689395 is a wasteful number, since it uses less digits than its factorization.

289689395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022.

The product of its digits is 8398080, while the sum is 59.

The square root of 289689395 is about 17020.2642458923. The cubic root of 289689395 is about 661.6741968898.

The spelling of 289689395 in words is "two hundred eighty-nine million, six hundred eighty-nine thousand, three hundred ninety-five".