489893079 has 32 divisors (see below), whose sum is σ = 729308160. Its totient is φ = 290581632.

The previous prime is 489893021. The next prime is 489893083. The reversal of 489893079 is 970398984.

It is not a de Polignac number, because 489893079 - 2⁷ = 489892951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489893009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120817 + ... + 124805.

It is an arithmetic number, because the mean of its divisors is an integer number (22790880).

Almost surely, 2^489893079 is an apocalyptic number.

489893079 is a deficient number, since it is larger than the sum of its proper divisors (239415081).

489893079 is a wasteful number, since it uses less digits than its factorization.

489893079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 489893079 is about 22133.5283902048. The cubic root of 489893079 is about 788.3161694965.

The spelling of 489893079 in words is "four hundred eighty-nine million, eight hundred ninety-three thousand, seventy-nine".