489503020 has 48 divisors (see below), whose sum is σ = 1107283968. Its totient is φ = 181241280.

The previous prime is 489503011. The next prime is 489503029. The reversal of 489503020 is 20305984.

It is an interprime number because it is at equal distance from previous prime (489503011) and next prime (489503029).

It is a super-2 number, since 2×489503020² = 479226413178240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (489503029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904 + ... + 31423.

It is an arithmetic number, because the mean of its divisors is an integer number (23068416).

Almost surely, 2^489503020 is an apocalyptic number.

It is an amenable number.

489503020 is an abundant number, since it is smaller than the sum of its proper divisors (617780948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489503020 is a wasteful number, since it uses less digits than its factorization.

489503020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34390 (or 34388 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 489503020 is about 22124.7151394091. The cubic root of 489503020 is about 788.1068915437.

The spelling of 489503020 in words is "four hundred eighty-nine million, five hundred three thousand, twenty".