4280940 has 72 divisors (see below), whose sum is σ = 13759200. Its totient is φ = 1073664.

The previous prime is 4280929. The next prime is 4280959. The reversal of 4280940 is 490824.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2361 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

Almost surely, 2^4280940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4280940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6879600).

4280940 is an abundant number, since it is smaller than the sum of its proper divisors (9478260).

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

4280940 is a wasteful number, since it uses less digits than its factorization.

4280940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4280940 is about 2069.0432571602. The cubic root of 4280940 is about 162.3727129447.

It can be divided in two parts, 42809 and 40, that added together give a square (42849 = 207²).

The spelling of 4280940 in words is "four million, two hundred eighty thousand, nine hundred forty".