4287320 has 16 divisors (see below), whose sum is σ = 9646560. Its totient is φ = 1714912.

The previous prime is 4287319. The next prime is 4287337. The reversal of 4287320 is 237824.

It is a super-2 number, since 2×4287320² = 36762225564800, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4² + 2¹⁶ + 8⁴ + 7⁵ + 3⁸ + 2²² + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 4287320.

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, 53552 + ... + 53631.

It is an arithmetic number, because the mean of its divisors is an integer number (602910).

Almost surely, 2^4287320 is an apocalyptic number.

4287320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4287320 is an abundant number, since it is smaller than the sum of its proper divisors (5359240).

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

4287320 is a wasteful number, since it uses less digits than its factorization.

4287320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107194 (or 107190 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4287320 is about 2070.5844585527. The cubic root of 4287320 is about 162.4533357134.

The spelling of 4287320 in words is "four million, two hundred eighty-seven thousand, three hundred twenty".