4289280 has 72 divisors (see below), whose sum is σ = 13711152. Its totient is φ = 1142784.

The previous prime is 4289279. The next prime is 4289291. The reversal of 4289280 is 829824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282 + ... + 4398.

Almost surely, 2^4289280 is an apocalyptic number.

4289280 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 4289280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6855576).

4289280 is an abundant number, since it is smaller than the sum of its proper divisors (9421872).

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

4289280 is a wasteful number, since it uses less digits than its factorization.

4289280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 4289280 is about 2071.0577007896. The cubic root of 4289280 is about 162.4780877752.

The spelling of 4289280 in words is "four million, two hundred eighty-nine thousand, two hundred eighty".