9996401 has 8 divisors (see below), whose sum is σ = 10410024. Its totient is φ = 9590400.

The previous prime is 9996373. The next prime is 9996419. The reversal of 9996401 is 1046999.

9996401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3236401 + 6760000 = 1799^2 + 2600^2 .

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

It is not a de Polignac number, because 9996401 - 2¹⁴ = 9980017 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9996461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (1301253).

Almost surely, 2^9996401 is an apocalyptic number.

It is an amenable number.

9996401 is a deficient number, since it is larger than the sum of its proper divisors (413623).

9996401 is a wasteful number, since it uses less digits than its factorization.

9996401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9996401 is about 3161.7085570938. The cubic root of 9996401 is about 215.4176198671.

The spelling of 9996401 in words is "nine million, nine hundred ninety-six thousand, four hundred one".