4283520 has 128 divisors (see below), whose sum is σ = 14394240. Its totient is φ = 1081344.

The previous prime is 4283519. The next prime is 4283537. The reversal of 4283520 is 253824.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 44112 + ... + 44208.

It is an arithmetic number, because the mean of its divisors is an integer number (112455).

Almost surely, 2^4283520 is an apocalyptic number.

4283520 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 4283520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7197120).

4283520 is an abundant number, since it is smaller than the sum of its proper divisors (10110720).

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

4283520 is a wasteful number, since it uses less digits than its factorization.

4283520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4283520 is about 2069.6666398239. Note that the first 4 decimals coincide. The cubic root of 4283520 is about 162.4053255228.

The spelling of 4283520 in words is "four million, two hundred eighty-three thousand, five hundred twenty".