4285620 has 72 divisors (see below), whose sum is σ = 13464360. Its totient is φ = 1102080.

The previous prime is 4285609. The next prime is 4285627. The reversal of 4285620 is 265824.

4285620 = T₁₆₇ + T₁₆₈ + ... + T₃₁₁.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 4088484 = 444^2 + 2022^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4810 + ... + 5630.

It is an arithmetic number, because the mean of its divisors is an integer number (187005).

Almost surely, 2^4285620 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 4285620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6732180).

4285620 is an abundant number, since it is smaller than the sum of its proper divisors (9178740).

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

4285620 is a wasteful number, since it uses less digits than its factorization.

4285620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4285620 is about 2070.1739057384. The cubic root of 4285620 is about 162.4318609785.

The spelling of 4285620 in words is "four million, two hundred eighty-five thousand, six hundred twenty".