4320280 has 16 divisors (see below), whose sum is σ = 9720720. Its totient is φ = 1728096.

The previous prime is 4320269. The next prime is 4320299. The reversal of 4320280 is 820234.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53964 + ... + 54043.

It is an arithmetic number, because the mean of its divisors is an integer number (607545).

Almost surely, 2^4320280 is an apocalyptic number.

4320280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4320280 is an abundant number, since it is smaller than the sum of its proper divisors (5400440).

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

4320280 is a wasteful number, since it uses less digits than its factorization.

4320280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108018 (or 108014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4320280 is about 2078.5283255227. The cubic root of 4320280 is about 162.8685756092.

The spelling of 4320280 in words is "four million, three hundred twenty thousand, two hundred eighty".