500388400 has 30 divisors (see below), whose sum is σ = 1202184092. Its totient is φ = 200155200.

The previous prime is 500388397. The next prime is 500388401. The reversal of 500388400 is 4883005.

500388400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×500388400³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (500388401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625086 + ... + 625885.

Almost surely, 2^500388400 is an apocalyptic number.

500388400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500388400 is an abundant number, since it is smaller than the sum of its proper divisors (701795692).

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

500388400 is a wasteful number, since it uses less digits than its factorization.

500388400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250989 (or 1250978 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 500388400 is about 22369.3629770720. The cubic root of 500388400 is about 793.9059883151.

The spelling of 500388400 in words is "five hundred million, three hundred eighty-eight thousand, four hundred".