4911840 has 120 divisors (see below), whose sum is σ = 17380440. Its totient is φ = 1306368.

The previous prime is 4911839. The next prime is 4911853. The reversal of 4911840 is 481194.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12771 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (144837).

Almost surely, 2^4911840 is an apocalyptic number.

4911840 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 4911840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8690220).

4911840 is an abundant number, since it is smaller than the sum of its proper divisors (12468600).

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

4911840 is a wasteful number, since it uses less digits than its factorization.

4911840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 4911840 is about 2216.2671319135. The cubic root of 4911840 is about 169.9866194774.

The spelling of 4911840 in words is "four million, nine hundred eleven thousand, eight hundred forty".