499984831 has 2 divisors, whose sum is σ = 499984832. Its totient is φ = 499984830.

The previous prime is 499984813. The next prime is 499984883. The reversal of 499984831 is 138489994.

Together with previous prime (499984813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499984831 - 2¹¹ = 499982783 is a prime.

It is a super-2 number, since 2×499984831² = 499969662460197122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499984531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249992415 + 249992416.

It is an arithmetic number, because the mean of its divisors is an integer number (249992416).

Almost surely, 2^499984831 is an apocalyptic number.

499984831 is a deficient number, since it is larger than the sum of its proper divisors (1).

499984831 is an equidigital number, since it uses as much as digits as its factorization.

499984831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 55.

The square root of 499984831 is about 22360.3405832738. The cubic root of 499984831 is about 793.6924994741.

The spelling of 499984831 in words is "four hundred ninety-nine million, nine hundred eighty-four thousand, eight hundred thirty-one".