489928061 has 8 divisors (see below), whose sum is σ = 577979904. Its totient is φ = 406391760.

The previous prime is 489928057. The next prime is 489928093. The reversal of 489928061 is 160829984.

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 489928061 - 2² = 489928057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489927997 and 489928015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489928031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128650 + ... + 1129083.

It is an arithmetic number, because the mean of its divisors is an integer number (72247488).

Almost surely, 2^489928061 is an apocalyptic number.

It is an amenable number.

489928061 is a deficient number, since it is larger than the sum of its proper divisors (88051843).

489928061 is a wasteful number, since it uses less digits than its factorization.

489928061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257771.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 489928061 is about 22134.3186251576. The cubic root of 489928061 is about 788.3349329240.

The spelling of 489928061 in words is "four hundred eighty-nine million, nine hundred twenty-eight thousand, sixty-one".