4283840 has 56 divisors (see below), whose sum is σ = 11137392. Its totient is φ = 1556480.

The previous prime is 4283821. The next prime is 4283843. The reversal of 4283840 is 483824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4283843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2912 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (198882).

Almost surely, 2^4283840 is an apocalyptic number.

4283840 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 4283840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5568696).

4283840 is an abundant number, since it is smaller than the sum of its proper divisors (6853552).

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

4283840 is a wasteful number, since it uses less digits than its factorization.

4283840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 4283840 is about 2069.7439455160. The cubic root of 4283840 is about 162.4093695808.

The spelling of 4283840 in words is "four million, two hundred eighty-three thousand, eight hundred forty".