9999996408 has 48 divisors (see below), whose sum is σ = 27713176920. Its totient is φ = 3255811776.

The previous prime is 9999996397. The next prime is 9999996431. The reversal of 9999996408 is 8046999999.

9999996408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611891 + ... + 1618082.

Almost surely, 2^9999996408 is an apocalyptic number.

It is an amenable number.

9999996408 is an abundant number, since it is smaller than the sum of its proper divisors (17713180512).

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

9999996408 is a wasteful number, since it uses less digits than its factorization.

9999996408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230028 (or 3230021 counting only the distinct ones).

The product of its (nonzero) digits is 102036672, while the sum is 72.

The square root of 9999996408 is about 99999.9820399984. The cubic root of 9999996408 is about 2154.4344320742.

The spelling of 9999996408 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-six thousand, four hundred eight".