9906400001 has 8 divisors (see below), whose sum is σ = 9944816640. Its totient is φ = 9868007952.

The previous prime is 9906399983. The next prime is 9906400003. The reversal of 9906400001 is 1000046099.

9906400001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9906400001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9906400003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1403840 + ... + 1410878.

It is an arithmetic number, because the mean of its divisors is an integer number (1243102080).

Almost surely, 2^9906400001 is an apocalyptic number.

It is an amenable number.

9906400001 is a deficient number, since it is larger than the sum of its proper divisors (38416639).

9906400001 is a wasteful number, since it uses less digits than its factorization.

9906400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12295.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9906400001 is about 99530.8997296819. The cubic root of 9906400001 is about 2147.6917720019.

The spelling of 9906400001 in words is "nine billion, nine hundred six million, four hundred thousand, one".