4889920 has 112 divisors (see below), whose sum is σ = 13898880. Its totient is φ = 1603584.

The previous prime is 4889891. The next prime is 4889921. The reversal of 4889920 is 299884.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×4889920² = 47822635212800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889921) 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, 82851 + ... + 82909.

Almost surely, 2^4889920 is an apocalyptic number.

4889920 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 4889920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6949440).

4889920 is an abundant number, since it is smaller than the sum of its proper divisors (9008960).

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

4889920 is a wasteful number, since it uses less digits than its factorization.

4889920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4889920 is about 2211.3163500503. The cubic root of 4889920 is about 169.7333767485.

The spelling of 4889920 in words is "four million, eight hundred eighty-nine thousand, nine hundred twenty".