4320560 has 40 divisors (see below), whose sum is σ = 10244880. Its totient is φ = 1693952.

The previous prime is 4320559. The next prime is 4320571. The reversal of 4320560 is 650234.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731 + ... + 4749.

It is an arithmetic number, because the mean of its divisors is an integer number (256122).

Almost surely, 2^4320560 is an apocalyptic number.

4320560 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 4320560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5122440).

4320560 is an abundant number, since it is smaller than the sum of its proper divisors (5924320).

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

4320560 is a wasteful number, since it uses less digits than its factorization.

4320560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4320560 is about 2078.5956797800. The cubic root of 4320560 is about 162.8720940706.

Adding to 4320560 its reverse (650234), we get a palindrome (4970794).

The spelling of 4320560 in words is "four million, three hundred twenty thousand, five hundred sixty".