499250688 has 80 divisors (see below), whose sum is σ = 1400118720. Its totient is φ = 157648896.

The previous prime is 499250681. The next prime is 499250699. The reversal of 499250688 is 886052994.

It is a self number, because there is not a number n which added to its sum of digits gives 499250688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499250681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20631 + ... + 37737.

It is an arithmetic number, because the mean of its divisors is an integer number (17501484).

Almost surely, 2^499250688 is an apocalyptic number.

499250688 is a gapful number since it is divisible by the number (48) 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 499250688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700059360).

499250688 is an abundant number, since it is smaller than the sum of its proper divisors (900868032).

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

499250688 is a wasteful number, since it uses less digits than its factorization.

499250688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17147 (or 17131 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 499250688 is about 22343.9183671978. The cubic root of 499250688 is about 793.3038415388.

The spelling of 499250688 in words is "four hundred ninety-nine million, two hundred fifty thousand, six hundred eighty-eight".