499984287 has 8 divisors (see below), whose sum is σ = 727249920. Its totient is φ = 303020760.

The previous prime is 499984279. The next prime is 499984301. The reversal of 499984287 is 782489994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499984287 - 2³ = 499984279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499984287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499984187) 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 in 7 ways as a sum of consecutive naturals, for example, 7575487 + ... + 7575552.

It is an arithmetic number, because the mean of its divisors is an integer number (90906240).

Almost surely, 2^499984287 is an apocalyptic number.

499984287 is a deficient number, since it is larger than the sum of its proper divisors (227265633).

499984287 is a wasteful number, since it uses less digits than its factorization.

499984287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151053.

The product of its digits is 10450944, while the sum is 60.

The square root of 499984287 is about 22360.3284188761. The cubic root of 499984287 is about 793.6922116194.

It can be divided in two parts, 49998 and 4287, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 499984287 in words is "four hundred ninety-nine million, nine hundred eighty-four thousand, two hundred eighty-seven".