4289320 has 32 divisors (see below), whose sum is σ = 11030400. Its totient is φ = 1470528.

The previous prime is 4289317. The next prime is 4289347. The reversal of 4289320 is 239824.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 7380 + ... + 7939.

It is an arithmetic number, because the mean of its divisors is an integer number (344700).

Almost surely, 2^4289320 is an apocalyptic number.

4289320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4289320 is an abundant number, since it is smaller than the sum of its proper divisors (6741080).

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

4289320 is a wasteful number, since it uses less digits than its factorization.

4289320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15337 (or 15333 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4289320 is about 2071.0673576685. The cubic root of 4289320 is about 162.4785928408.

The spelling of 4289320 in words is "four million, two hundred eighty-nine thousand, three hundred twenty".