503434320 has 40 divisors (see below), whose sum is σ = 1560647136. Its totient is φ = 134249088.

The previous prime is 503434303. The next prime is 503434331. The reversal of 503434320 is 23434305.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×503434320² = 506892229107724800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048582 + ... + 1049061.

Almost surely, 2^503434320 is an apocalyptic number.

It is an amenable number.

503434320 is an abundant number, since it is smaller than the sum of its proper divisors (1057212816).

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

503434320 is a wasteful number, since it uses less digits than its factorization.

503434320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097659 (or 2097653 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 503434320 is about 22437.3420885808. The cubic root of 503434320 is about 795.5135955847.

Adding to 503434320 its reverse (23434305), we get a palindrome (526868625).

The spelling of 503434320 in words is "five hundred three million, four hundred thirty-four thousand, three hundred twenty".