4134820 has 24 divisors (see below), whose sum is σ = 8983800. Its totient is φ = 1596672.

The previous prime is 4134817. The next prime is 4134829. The reversal of 4134820 is 284314.

It can be written as a sum of positive squares in 4 ways, for example, as 630436 + 3504384 = 794^2 + 1872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4134791 and 4134800.

It is not an unprimeable number, because it can be changed into a prime (4134829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2985 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (374325).

Almost surely, 2^4134820 is an apocalyptic number.

It is an amenable number.

4134820 is an abundant number, since it is smaller than the sum of its proper divisors (4848980).

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

4134820 is a wasteful number, since it uses less digits than its factorization.

4134820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167 (or 7165 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4134820 is about 2033.4256809630. The cubic root of 4134820 is about 160.5038802386.

The spelling of 4134820 in words is "four million, one hundred thirty-four thousand, eight hundred twenty".