499966506 has 40 divisors (see below), whose sum is σ = 1206476964. Its totient is φ = 153835200.

The previous prime is 499966501. The next prime is 499966559. The reversal of 499966506 is 605669994.

It is a happy number.

499966506 is a `hidden beast` number, since 49 + 9 + 96 + 6 + 506 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 352125225 + 147841281 = 18765^2 + 12159^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (499966501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116595 + ... + 120806.

Almost surely, 2^499966506 is an apocalyptic number.

499966506 is an abundant number, since it is smaller than the sum of its proper divisors (706510458).

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

499966506 is a wasteful number, since it uses less digits than its factorization.

499966506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237428 (or 237419 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 499966506 is about 22359.9308138465. The cubic root of 499966506 is about 793.6828027847.

The spelling of 499966506 in words is "four hundred ninety-nine million, nine hundred sixty-six thousand, five hundred six".