503917340 has 48 divisors (see below), whose sum is σ = 1112741280. Its totient is φ = 191412480.

The previous prime is 503917339. The next prime is 503917357. The reversal of 503917340 is 43719305.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 503917297 and 503917306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28259 + ... + 42501.

It is an arithmetic number, because the mean of its divisors is an integer number (23182110).

Almost surely, 2^503917340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503917340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556370640).

503917340 is an abundant number, since it is smaller than the sum of its proper divisors (608823940).

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

503917340 is a wasteful number, since it uses less digits than its factorization.

503917340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14342 (or 14340 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 503917340 is about 22448.1032606321. The cubic root of 503917340 is about 795.7679327365.

The spelling of 503917340 in words is "five hundred three million, nine hundred seventeen thousand, three hundred forty".