4280520 has 32 divisors (see below), whose sum is σ = 12841920. Its totient is φ = 1141440.

The previous prime is 4280503. The next prime is 4280527. The reversal of 4280520 is 250824.

It is not an unprimeable number, because it can be changed into a prime (4280527) by changing a digit.

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, 17716 + ... + 17955.

It is an arithmetic number, because the mean of its divisors is an integer number (401310).

Almost surely, 2^4280520 is an apocalyptic number.

4280520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4280520 is an abundant number, since it is smaller than the sum of its proper divisors (8561400).

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

4280520 is a wasteful number, since it uses less digits than its factorization.

4280520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35685 (or 35681 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4280520 is about 2068.9417584843. The cubic root of 4280520 is about 162.3674026803.

The spelling of 4280520 in words is "four million, two hundred eighty thousand, five hundred twenty".