503804380 has 36 divisors (see below), whose sum is σ = 1116619560. Its totient is φ = 190912608.

The previous prime is 503804377. The next prime is 503804381. The reversal of 503804380 is 83408305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503804381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27670 + ... + 42109.

It is an arithmetic number, because the mean of its divisors is an integer number (31017210).

Almost surely, 2^503804380 is an apocalyptic number.

It is an amenable number.

503804380 is an abundant number, since it is smaller than the sum of its proper divisors (612815180).

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

503804380 is a wasteful number, since it uses less digits than its factorization.

503804380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69826 (or 69805 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 503804380 is about 22445.5870941261. The cubic root of 503804380 is about 795.7084675186.

The spelling of 503804380 in words is "five hundred three million, eight hundred four thousand, three hundred eighty".