500031930 has 48 divisors (see below), whose sum is σ = 1266590304. Its totient is φ = 126321120.

The previous prime is 500031899. The next prime is 500031943. The reversal of 500031930 is 39130005.

It is a junction number, because it is equal to n+sod(n) for n = 500031897 and 500031906.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12256 + ... + 33915.

It is an arithmetic number, because the mean of its divisors is an integer number (26387298).

Almost surely, 2^500031930 is an apocalyptic number.

500031930 is an abundant number, since it is smaller than the sum of its proper divisors (766558374).

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

500031930 is a wasteful number, since it uses less digits than its factorization.

500031930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46219 (or 46200 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 500031930 is about 22361.3937401048. The cubic root of 500031930 is about 793.7174208630.

Adding to 500031930 its reverse (39130005), we get a palindrome (539161935).

The spelling of 500031930 in words is "five hundred million, thirty-one thousand, nine hundred thirty".