999996508 has 36 divisors (see below), whose sum is σ = 2155461840. Its totient is φ = 403358592.

The previous prime is 999996493. The next prime is 999996541. The reversal of 999996508 is 805699999.

It is a self number, because there is not a number n which added to its sum of digits gives 999996508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146728 + ... + 153391.

It is an arithmetic number, because the mean of its divisors is an integer number (59873940).

Almost surely, 2^999996508 is an apocalyptic number.

999996508 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

999996508 is an abundant number, since it is smaller than the sum of its proper divisors (1155465332).

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

999996508 is a wasteful number, since it uses less digits than its factorization.

999996508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300154 (or 300145 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 64.

The square root of 999996508 is about 31622.7213882676. The cubic root of 999996508 is about 999.9988359986.

The spelling of 999996508 in words is "nine hundred ninety-nine million, nine hundred ninety-six thousand, five hundred eight".