289054369 has 4 divisors (see below), whose sum is σ = 289092244.
Its totient is φ = 289016496.
The previous prime is 289054351. The next prime is 289054373. The reversal of 289054369 is 963450982.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 29844369 + 259210000 = 5463^2 + 16100^2
It is a cyclic number.
It is not a de Polignac number, because 289054369 - 221 = 286957217 is a prime.
It is a super-2 number, since 2×2890543692 = 167104856475976322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (289054379) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042 + ... + 24235.
It is an arithmetic number, because the mean of its divisors is an integer number (72273061).
It is a 7632-hyperperfect number.
Almost surely, 2289054369 is an apocalyptic number.
It is an amenable number.
289054369 is a deficient number, since it is larger than the sum of its proper divisors (37875).
289054369 is a wasteful number, since it uses less digits than its factorization.
289054369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37874.
The product of its (nonzero) digits is 466560, while the sum is 46.
The square root of 289054369 is about 17001.5990130340.
The cubic root of 289054369 is about 661.1903594591.
The spelling of 289054369 in words is "two hundred eighty-nine million, fifty-four thousand, three hundred sixty-nine".