289884963 has 4 divisors (see below), whose sum is σ = 386513288. Its totient is φ = 193256640.

The previous prime is 289884943. The next prime is 289884979. The reversal of 289884963 is 369488982.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 289884963 - 2¹³ = 289876771 is a prime.

It is a super-2 number, since 2×289884963² = 168066583547022738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289884913) 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 3 ways as a sum of consecutive naturals, for example, 48314158 + ... + 48314163.

It is an arithmetic number, because the mean of its divisors is an integer number (96628322).

Almost surely, 2^289884963 is an apocalyptic number.

289884963 is a deficient number, since it is larger than the sum of its proper divisors (96628325).

289884963 is an equidigital number, since it uses as much as digits as its factorization.

289884963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96628324.

The product of its digits is 5971968, while the sum is 57.

The square root of 289884963 is about 17026.0084282841. The cubic root of 289884963 is about 661.8230611479.

The spelling of 289884963 in words is "two hundred eighty-nine million, eight hundred eighty-four thousand, nine hundred sixty-three".