500941986 has 8 divisors (see below), whose sum is σ = 1001883984. Its totient is φ = 166980660.

The previous prime is 500941981. The next prime is 500941993. The reversal of 500941986 is 689149005.

It is a sphenic number, since it is the product of 3 distinct primes.

500941986 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500941981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41745160 + ... + 41745171.

It is an arithmetic number, because the mean of its divisors is an integer number (125235498).

Almost surely, 2^500941986 is an apocalyptic number.

500941986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

500941986 is a wasteful number, since it uses less digits than its factorization.

500941986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83490336.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 500941986 is about 22381.7333108944. The cubic root of 500941986 is about 794.1986498203.

The spelling of 500941986 in words is "five hundred million, nine hundred forty-one thousand, nine hundred eighty-six".