499608648 has 640 divisors, whose sum is σ = 2007244800. Its totient is φ = 111974400.

The previous prime is 499608643. The next prime is 499608653. The reversal of 499608648 is 846806994.

It is an interprime number because it is at equal distance from previous prime (499608643) and next prime (499608653).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 499608594 and 499608603.

It is not an unprimeable number, because it can be changed into a prime (499608643) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 16116393 + ... + 16116423.

It is an arithmetic number, because the mean of its divisors is an integer number (3136320).

Almost surely, 2^499608648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499608648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003622400).

499608648 is an abundant number, since it is smaller than the sum of its proper divisors (1507636152).

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

499608648 is a wasteful number, since it uses less digits than its factorization.

499608648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 499608648 is about 22351.9271652357. The cubic root of 499608648 is about 793.4933944083.

The spelling of 499608648 in words is "four hundred ninety-nine million, six hundred eight thousand, six hundred forty-eight".