4238020 has 24 divisors (see below), whose sum is σ = 8941464. Its totient is φ = 1687296.

The previous prime is 4238011. The next prime is 4238033. The reversal of 4238020 is 208324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 3810304 = 654^2 + 1952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5922 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (372561).

Almost surely, 2^4238020 is an apocalyptic number.

It is an amenable number.

4238020 is an abundant number, since it is smaller than the sum of its proper divisors (4703444).

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

4238020 is a wasteful number, since it uses less digits than its factorization.

4238020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4238020 is about 2058.6451855529. The cubic root of 4238020 is about 161.8282486000.

The spelling of 4238020 in words is "four million, two hundred thirty-eight thousand, twenty".