500381000 has 64 divisors (see below), whose sum is σ = 1338180480. Its totient is φ = 171556800.

The previous prime is 500380961. The next prime is 500381039. The reversal of 500381000 is 183005.

It is an interprime number because it is at equal distance from previous prime (500380961) and next prime (500381039).

It is a super-2 number, since 2×500381000² = 500762290322000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500381000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28742 + ... + 42741.

It is an arithmetic number, because the mean of its divisors is an integer number (20909070).

Almost surely, 2^500381000 is an apocalyptic number.

500381000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500381000 is an abundant number, since it is smaller than the sum of its proper divisors (837799480).

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

500381000 is a wasteful number, since it uses less digits than its factorization.

500381000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71511 (or 71497 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 500381000 is about 22369.1975716609. The cubic root of 500381000 is about 793.9020747330.

The spelling of 500381000 in words is "five hundred million, three hundred eighty-one thousand".