289380484 has 12 divisors (see below), whose sum is σ = 506538508. Its totient is φ = 144655200.

The previous prime is 289380467. The next prime is 289380493. The reversal of 289380484 is 484083982.

It can be written as a sum of positive squares in 2 ways, for example, as 205291584 + 84088900 = 14328^2 + 9170^2 .

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 3 ways as a sum of consecutive naturals, for example, 21214 + ... + 32074.

Almost surely, 2^289380484 is an apocalyptic number.

It is an amenable number.

289380484 is a deficient number, since it is larger than the sum of its proper divisors (217158024).

289380484 is a wasteful number, since it uses less digits than its factorization.

289380484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17526 (or 17524 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 289380484 is about 17011.1870250139. The cubic root of 289380484 is about 661.4389206042.

The spelling of 289380484 in words is "two hundred eighty-nine million, three hundred eighty thousand, four hundred eighty-four".