499954688 has 44 divisors (see below), whose sum is σ = 1007320512. Its totient is φ = 248002560.

The previous prime is 499954673. The next prime is 499954691. The reversal of 499954688 is 886459994.

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 499954688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132281 + ... + 136007.

It is an arithmetic number, because the mean of its divisors is an integer number (22893648).

Almost surely, 2^499954688 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 499954688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503660256).

499954688 is an abundant number, since it is smaller than the sum of its proper divisors (507365824).

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

499954688 is a wasteful number, since it uses less digits than its factorization.

499954688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878 (or 3860 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 62.

The square root of 499954688 is about 22359.6665449197. Note that the first 3 decimals coincide. The cubic root of 499954688 is about 793.6765491543.

The spelling of 499954688 in words is "four hundred ninety-nine million, nine hundred fifty-four thousand, six hundred eighty-eight".