4024530 has 48 divisors (see below), whose sum is σ = 10594584. Its totient is φ = 1059840.

The previous prime is 4024511. The next prime is 4024541. The reversal of 4024530 is 354204.

4024530 = 373² + 374² + ... + 399².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2812329 + 1212201 = 1677^2 + 1101^2 .

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

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8500 + ... + 8960.

Almost surely, 2^4024530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4024530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5297292).

4024530 is an abundant number, since it is smaller than the sum of its proper divisors (6570054).

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

4024530 is a wasteful number, since it uses less digits than its factorization.

4024530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 568 counting only the distinct ones).

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

The square root of 4024530 is about 2006.1231268295. The cubic root of 4024530 is about 159.0639353650.

Adding to 4024530 its reverse (354204), we get a palindrome (4378734).

It can be divided in two parts, 4024 and 530, that added together give a palindrome (4554).

The spelling of 4024530 in words is "four million, twenty-four thousand, five hundred thirty".