499809996 has 144 divisors (see below), whose sum is σ = 1560686400. Its totient is φ = 134346240.

The previous prime is 499809943. The next prime is 499810001. The reversal of 499809996 is 699908994.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208726 + ... + 211106.

It is an arithmetic number, because the mean of its divisors is an integer number (10838100).

Almost surely, 2^499809996 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 499809996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780343200).

499809996 is an abundant number, since it is smaller than the sum of its proper divisors (1060876404).

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

499809996 is a wasteful number, since it uses less digits than its factorization.

499809996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 63.

The square root of 499809996 is about 22356.4307526940. The cubic root of 499809996 is about 793.5999757299.

The spelling of 499809996 in words is "four hundred ninety-nine million, eight hundred nine thousand, nine hundred ninety-six".