489460865 has 8 divisors (see below), whose sum is σ = 595626048. Its totient is φ = 386053360.

The previous prime is 489460837. The next prime is 489460879. The reversal of 489460865 is 568064984.

It is a happy number.

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

It is not a de Polignac number, because 489460865 - 2¹² = 489456769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689027 + ... + 689736.

It is an arithmetic number, because the mean of its divisors is an integer number (74453256).

Almost surely, 2^489460865 is an apocalyptic number.

It is an amenable number.

489460865 is a deficient number, since it is larger than the sum of its proper divisors (106165183).

489460865 is a wasteful number, since it uses less digits than its factorization.

489460865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378839.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 489460865 is about 22123.7624512649. The cubic root of 489460865 is about 788.0842675092.

The spelling of 489460865 in words is "four hundred eighty-nine million, four hundred sixty thousand, eight hundred sixty-five".