499994840 has 16 divisors (see below), whose sum is σ = 1124988480. Its totient is φ = 199997920.

The previous prime is 499994813. The next prime is 499994849. The reversal of 499994840 is 48499994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499994849) 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, 6249896 + ... + 6249975.

It is an arithmetic number, because the mean of its divisors is an integer number (70311780).

Almost surely, 2^499994840 is an apocalyptic number.

499994840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499994840 is an abundant number, since it is smaller than the sum of its proper divisors (624993640).

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

499994840 is a wasteful number, since it uses less digits than its factorization.

499994840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12499882 (or 12499878 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 499994840 is about 22360.5643935926. The cubic root of 499994840 is about 793.6977956449.

The spelling of 499994840 in words is "four hundred ninety-nine million, nine hundred ninety-four thousand, eight hundred forty".