4239020 has 24 divisors (see below), whose sum is σ = 8958768. Its totient is φ = 1684800.

The previous prime is 4239013. The next prime is 4239041. The reversal of 4239020 is 209324.

4239020 is nontrivially palindromic in base 6.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4238983 and 4239001.

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, 3035 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (373282).

Almost surely, 2^4239020 is an apocalyptic number.

It is an amenable number.

4239020 is an abundant number, since it is smaller than the sum of its proper divisors (4719748).

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

4239020 is a wasteful number, since it uses less digits than its factorization.

4239020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4239020 is about 2058.8880494092. Note that the first 3 decimals coincide. The cubic root of 4239020 is about 161.8409758895.

The spelling of 4239020 in words is "four million, two hundred thirty-nine thousand, twenty".