289489322 has 8 divisors (see below), whose sum is σ = 438710916. Its totient is φ = 143252352.

The previous prime is 289489313. The next prime is 289489349. The reversal of 289489322 is 223984982.

It can be written as a sum of positive squares in 2 ways, for example, as 285643801 + 3845521 = 16901^2 + 1961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745913 + ... + 746300.

Almost surely, 2^289489322 is an apocalyptic number.

289489322 is a deficient number, since it is larger than the sum of its proper divisors (149221594).

289489322 is a wasteful number, since it uses less digits than its factorization.

289489322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492312.

The product of its digits is 497664, while the sum is 47.

The square root of 289489322 is about 17014.3857367817. The cubic root of 289489322 is about 661.5218341267.

The spelling of 289489322 in words is "two hundred eighty-nine million, four hundred eighty-nine thousand, three hundred twenty-two".