489322720 has 24 divisors (see below), whose sum is σ = 1156025304. Its totient is φ = 195729024.

The previous prime is 489322651. The next prime is 489322727. The reversal of 489322720 is 27223984.

It is a self number, because there is not a number n which added to its sum of digits gives 489322720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489322727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528974 + ... + 1529293.

It is an arithmetic number, because the mean of its divisors is an integer number (48167721).

Almost surely, 2^489322720 is an apocalyptic number.

489322720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489322720 is an abundant number, since it is smaller than the sum of its proper divisors (666702584).

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

489322720 is a wasteful number, since it uses less digits than its factorization.

489322720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058282 (or 3058274 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 489322720 is about 22120.6401354030. The cubic root of 489322720 is about 788.0101177981.

The spelling of 489322720 in words is "four hundred eighty-nine million, three hundred twenty-two thousand, seven hundred twenty".