4285520 has 20 divisors (see below), whose sum is σ = 9964020. Its totient is φ = 1714176.

The previous prime is 4285517. The next prime is 4285543. The reversal of 4285520 is 255824.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 3356224 = 964^2 + 1832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 4285520.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26705 + ... + 26864.

It is an arithmetic number, because the mean of its divisors is an integer number (498201).

Almost surely, 2^4285520 is an apocalyptic number.

4285520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4285520 is an abundant number, since it is smaller than the sum of its proper divisors (5678500).

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

4285520 is a wasteful number, since it uses less digits than its factorization.

4285520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53582 (or 53576 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4285520 is about 2070.1497530372. The cubic root of 4285520 is about 162.4305975820.

It can be divided in two parts, 42855 and 20, that added together give a cube (42875 = 35³).

The spelling of 4285520 in words is "four million, two hundred eighty-five thousand, five hundred twenty".