489279557 has 8 divisors (see below), whose sum is σ = 527091936. Its totient is φ = 451492272.

The previous prime is 489279551. The next prime is 489279569. The reversal of 489279557 is 755972984.

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

It is a cyclic number.

It is not a de Polignac number, because 489279557 - 2¹⁰ = 489278533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489279551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61058 + ... + 68604.

It is an arithmetic number, because the mean of its divisors is an integer number (65886492).

Almost surely, 2^489279557 is an apocalyptic number.

It is an amenable number.

489279557 is a deficient number, since it is larger than the sum of its proper divisors (37812379).

489279557 is a wasteful number, since it uses less digits than its factorization.

489279557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547.

The product of its digits is 6350400, while the sum is 56.

The square root of 489279557 is about 22119.6644866056. The cubic root of 489279557 is about 787.9869470769.

The spelling of 489279557 in words is "four hundred eighty-nine million, two hundred seventy-nine thousand, five hundred fifty-seven".