4534020 has 36 divisors (see below), whose sum is σ = 13753740. Its totient is φ = 1209024.

The previous prime is 4534009. The next prime is 4534021. The reversal of 4534020 is 204354.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3261636 + 1272384 = 1806^2 + 1128^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4533984 and 4534002.

It is not an unprimeable number, because it can be changed into a prime (4534021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12415 + ... + 12774.

Almost surely, 2^4534020 is an apocalyptic number.

It is an amenable number.

4534020 is an abundant number, since it is smaller than the sum of its proper divisors (9219720).

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

4534020 is a wasteful number, since it uses less digits than its factorization.

4534020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25204 (or 25199 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4534020 is about 2129.3238363387. The cubic root of 4534020 is about 165.5113612315.

Adding to 4534020 its reverse (204354), we get a palindrome (4738374).

The spelling of 4534020 in words is "four million, five hundred thirty-four thousand, twenty".