499399992 has 224 divisors, whose sum is σ = 1729738080. Its totient is φ = 131569920.

The previous prime is 499399949. The next prime is 499400017. The reversal of 499399992 is 299993994.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 530242 + ... + 531182.

It is an arithmetic number, because the mean of its divisors is an integer number (7722045).

Almost surely, 2^499399992 is an apocalyptic number.

499399992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499399992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864869040).

499399992 is an abundant number, since it is smaller than the sum of its proper divisors (1230338088).

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

499399992 is a wasteful number, since it uses less digits than its factorization.

499399992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 966 counting only the distinct ones).

The product of its digits is 12754584, while the sum is 63.

The square root of 499399992 is about 22347.2591608009. The cubic root of 499399992 is about 793.3829144604.

The spelling of 499399992 in words is "four hundred ninety-nine million, three hundred ninety-nine thousand, nine hundred ninety-two".