4419840 has 72 divisors (see below), whose sum is σ = 14128128. Its totient is φ = 1177600.

The previous prime is 4419823. The next prime is 4419851. The reversal of 4419840 is 489144.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4419798 and 4419807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265 + ... + 4415.

It is an arithmetic number, because the mean of its divisors is an integer number (196224).

Almost surely, 2^4419840 is an apocalyptic number.

4419840 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 4419840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7064064).

4419840 is an abundant number, since it is smaller than the sum of its proper divisors (9708288).

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

4419840 is a wasteful number, since it uses less digits than its factorization.

4419840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 4419840 is about 2102.3415516990. The cubic root of 4419840 is about 164.1101777985.

The spelling of 4419840 in words is "four million, four hundred nineteen thousand, eight hundred forty".