570420 has 36 divisors (see below), whose sum is σ = 1730820. Its totient is φ = 152064.

The previous prime is 570419. The next prime is 570421. The reversal of 570420 is 24075.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (570419) and next prime (570421).

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 224676 = 588^2 + 474^2 .

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 a junction number, because it is equal to n+sod(n) for n = 570393 and 570402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 570420.

It is not an unprimeable number, because it can be changed into a prime (570421) 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, 1405 + ... + 1764.

2⁵⁷⁰⁴²⁰ is an apocalyptic number.

It is an amenable number.

570420 is an abundant number, since it is smaller than the sum of its proper divisors (1160400).

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

570420 is a wasteful number, since it uses less digits than its factorization.

570420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 570420 is about 755.2615441024. The cubic root of 570420 is about 82.9338031241.

Adding to 570420 its reverse (24075), we get a palindrome (594495).

It can be divided in two parts, 570 and 420, that added together give a triangular number (990 = T₄₄).

The spelling of 570420 in words is "five hundred seventy thousand, four hundred twenty".