489728915 has 8 divisors (see below), whose sum is σ = 632880528. Its totient is φ = 361645920.

The previous prime is 489728893. The next prime is 489728927. The reversal of 489728915 is 519827984.

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

It is not a de Polignac number, because 489728915 - 2¹⁶ = 489663379 is a prime.

It is a Duffinian 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, 3767081 + ... + 3767210.

It is an arithmetic number, because the mean of its divisors is an integer number (79110066).

Almost surely, 2^489728915 is an apocalyptic number.

489728915 is a deficient number, since it is larger than the sum of its proper divisors (143151613).

489728915 is a wasteful number, since it uses less digits than its factorization.

489728915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534309.

The product of its digits is 1451520, while the sum is 53.

The square root of 489728915 is about 22129.8195880581. The cubic root of 489728915 is about 788.2281042979.

The spelling of 489728915 in words is "four hundred eighty-nine million, seven hundred twenty-eight thousand, nine hundred fifteen".