8424530 has 16 divisors (see below), whose sum is σ = 15574680. Its totient is φ = 3278592.

The previous prime is 8424499. The next prime is 8424539. The reversal of 8424530 is 354248.

It can be written as a sum of positive squares in 4 ways, for example, as 5987809 + 2436721 = 2447^2 + 1561^2 .

It is a d-powerful number, because it can be written as 8⁵ + 4 + 2²³ + 4² + 5⁵ + 3² + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8424530.

It is not an unprimeable number, because it can be changed into a prime (8424539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11015 + ... + 11754.

Almost surely, 2^8424530 is an apocalyptic number.

8424530 is a deficient number, since it is larger than the sum of its proper divisors (7150150).

8424530 is a wasteful number, since it uses less digits than its factorization.

8424530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22813.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 8424530 is about 2902.5040912977. The cubic root of 8424530 is about 203.4769536852.

Adding to 8424530 its reverse (354248), we get a palindrome (8778778).

The spelling of 8424530 in words is "eight million, four hundred twenty-four thousand, five hundred thirty".