480616989 has 16 divisors (see below), whose sum is σ = 676447680. Its totient is φ = 303534576.

The previous prime is 480616967. The next prime is 480616991. The reversal of 480616989 is 989616084.

It is a happy number.

It is not a de Polignac number, because 480616989 - 2⁸ = 480616733 is a prime.

It is a super-3 number, since 3×480616989³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480616949) 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, 8899 + ... + 32255.

It is an arithmetic number, because the mean of its divisors is an integer number (42277980).

Almost surely, 2^480616989 is an apocalyptic number.

It is an amenable number.

480616989 is a deficient number, since it is larger than the sum of its proper divisors (195830691).

480616989 is an equidigital number, since it uses as much as digits as its factorization.

480616989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23417 (or 23379 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 480616989 is about 21922.9785613178. The cubic root of 480616989 is about 783.3088610231.

The spelling of 480616989 in words is "four hundred eighty million, six hundred sixteen thousand, nine hundred eighty-nine".