504221434 has 16 divisors (see below), whose sum is σ = 795679200. Its totient is φ = 239289904.

The previous prime is 504221413. The next prime is 504221437. The reversal of 504221434 is 434122405.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 504221399 and 504221408.

It is not an unprimeable number, because it can be changed into a prime (504221437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70252 + ... + 77095.

It is an arithmetic number, because the mean of its divisors is an integer number (49729950).

Almost surely, 2^504221434 is an apocalyptic number.

504221434 is a deficient number, since it is larger than the sum of its proper divisors (291457766).

504221434 is a wasteful number, since it uses less digits than its factorization.

504221434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147437.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 504221434 is about 22454.8755062236. The cubic root of 504221434 is about 795.9279719427.

Adding to 504221434 its reverse (434122405), we get a palindrome (938343839).

The spelling of 504221434 in words is "five hundred four million, two hundred twenty-one thousand, four hundred thirty-four".