489846420 has 96 divisors (see below), whose sum is σ = 1741689600. Its totient is φ = 111964032.

The previous prime is 489846419. The next prime is 489846439. The reversal of 489846420 is 24648984.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61015 + ... + 68574.

It is an arithmetic number, because the mean of its divisors is an integer number (18142600).

Almost surely, 2^489846420 is an apocalyptic number.

It is an amenable number.

489846420 is an abundant number, since it is smaller than the sum of its proper divisors (1251843180).

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

489846420 is a wasteful number, since it uses less digits than its factorization.

489846420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129614 (or 129606 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 489846420 is about 22132.4743307205. The cubic root of 489846420 is about 788.2911414421.

The spelling of 489846420 in words is "four hundred eighty-nine million, eight hundred forty-six thousand, four hundred twenty".