499990847 has 8 divisors (see below), whose sum is σ = 516657792. Its totient is φ = 483357600.

The previous prime is 499990789. The next prime is 499990849. The reversal of 499990847 is 748099994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 499990847 - 2¹⁶ = 499925311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499990849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23753 + ... + 39549.

It is an arithmetic number, because the mean of its divisors is an integer number (64582224).

Almost surely, 2^499990847 is an apocalyptic number.

499990847 is a deficient number, since it is larger than the sum of its proper divisors (16666945).

499990847 is a wasteful number, since it uses less digits than its factorization.

499990847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16849.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 499990847 is about 22360.4751067592. The cubic root of 499990847 is about 793.6956827939.

The spelling of 499990847 in words is "four hundred ninety-nine million, nine hundred ninety thousand, eight hundred forty-seven".