489105321 has 16 divisors (see below), whose sum is σ = 678494208. Its totient is φ = 313059600.

The previous prime is 489105311. The next prime is 489105361. The reversal of 489105321 is 123501984.

It is not a de Polignac number, because 489105321 - 2⁵ = 489105289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489105311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8895 + ... + 32516.

It is an arithmetic number, because the mean of its divisors is an integer number (42405888).

Almost surely, 2^489105321 is an apocalyptic number.

It is an amenable number.

489105321 is a deficient number, since it is larger than the sum of its proper divisors (189388887).

489105321 is a wasteful number, since it uses less digits than its factorization.

489105321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41572.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 489105321 is about 22115.7256494106. The cubic root of 489105321 is about 787.8934000155.

The spelling of 489105321 in words is "four hundred eighty-nine million, one hundred five thousand, three hundred twenty-one".