4989920 has 48 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 1841664.

The previous prime is 4989917. The next prime is 4989937. The reversal of 4989920 is 299894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881 + ... + 3279.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^4989920 is an apocalyptic number.

4989920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4989920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6350400).

4989920 is an abundant number, since it is smaller than the sum of its proper divisors (7710880).

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

4989920 is a wasteful number, since it uses less digits than its factorization.

4989920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 4989920 is about 2233.8128838379. The cubic root of 4989920 is about 170.8826069777.

The spelling of 4989920 in words is "four million, nine hundred eighty-nine thousand, nine hundred twenty".