489198873 has 8 divisors (see below), whose sum is σ = 652370688. Its totient is φ = 326079824.

The previous prime is 489198859. The next prime is 489198887. The reversal of 489198873 is 378891984.

It is an interprime number because it is at equal distance from previous prime (489198859) and next prime (489198887).

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 489198873 - 2¹² = 489194777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489198803) 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, 21415 + ... + 37907.

It is an arithmetic number, because the mean of its divisors is an integer number (81546336).

Almost surely, 2^489198873 is an apocalyptic number.

It is an amenable number.

489198873 is a deficient number, since it is larger than the sum of its proper divisors (163171815).

489198873 is a wasteful number, since it uses less digits than its factorization.

489198873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26383.

The product of its digits is 3483648, while the sum is 57.

The square root of 489198873 is about 22117.8406043628. The cubic root of 489198873 is about 787.9436307131.

The spelling of 489198873 in words is "four hundred eighty-nine million, one hundred ninety-eight thousand, eight hundred seventy-three".