499984140 has 24 divisors (see below), whose sum is σ = 1399955760. Its totient is φ = 133329088.

The previous prime is 499984061. The next prime is 499984171. The reversal of 499984140 is 41489994.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 499984140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166475 + ... + 4166594.

It is an arithmetic number, because the mean of its divisors is an integer number (58331490).

Almost surely, 2^499984140 is an apocalyptic number.

It is an amenable number.

499984140 is an abundant number, since it is smaller than the sum of its proper divisors (899971620).

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

499984140 is a wasteful number, since it uses less digits than its factorization.

499984140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333081 (or 8333079 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 499984140 is about 22360.3251318043. The cubic root of 499984140 is about 793.6921338351.

The spelling of 499984140 in words is "four hundred ninety-nine million, nine hundred eighty-four thousand, one hundred forty".