500030000 has 100 divisors (see below), whose sum is σ = 1250449728. Its totient is φ = 193440000.

The previous prime is 500029963. The next prime is 500030021. The reversal of 500030000 is 30005.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 500030000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 309194 + ... + 310806.

Almost surely, 2^500030000 is an apocalyptic number.

500030000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625224864).

500030000 is an abundant number, since it is smaller than the sum of its proper divisors (750419728).

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

500030000 is a wasteful number, since it uses less digits than its factorization.

500030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 8.

The square root of 500030000 is about 22361.3505853291. The cubic root of 500030000 is about 793.7163996771.

Adding to 500030000 its reverse (30005), we get a palindrome (500060005).

The spelling of 500030000 in words is "five hundred million, thirty thousand".