504643230 has 512 divisors, whose sum is σ = 1857945600. Its totient is φ = 94431744.

The previous prime is 504643219. The next prime is 504643241. The reversal of 504643230 is 32346405.

It is an interprime number because it is at equal distance from previous prime (504643219) and next prime (504643241).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 504643194 and 504643203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10737067 + ... + 10737113.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 2^504643230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504643230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928972800).

504643230 is an abundant number, since it is smaller than the sum of its proper divisors (1353302370).

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

504643230 is a wasteful number, since it uses less digits than its factorization.

504643230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 504643230 is about 22464.2656234296. The cubic root of 504643230 is about 796.1498491067.

Adding to 504643230 its reverse (32346405), we get a palindrome (536989635).

The spelling of 504643230 in words is "five hundred four million, six hundred forty-three thousand, two hundred thirty".