4380320 has 48 divisors (see below), whose sum is σ = 11829888. Its totient is φ = 1501440.

The previous prime is 4380293. The next prime is 4380323. The reversal of 4380320 is 230834.

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

It is a junction number, because it is equal to n+sod(n) for n = 4380292 and 4380301.

It is not an unprimeable number, because it can be changed into a prime (4380323) 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, 836 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (246456).

Almost surely, 2^4380320 is an apocalyptic number.

4380320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4380320 is an abundant number, since it is smaller than the sum of its proper divisors (7449568).

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

4380320 is a wasteful number, since it uses less digits than its factorization.

4380320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4380320 is about 2092.9214032065. The cubic root of 4380320 is about 163.6195822671.

The spelling of 4380320 in words is "four million, three hundred eighty thousand, three hundred twenty".