9967201 has 4 divisors (see below), whose sum is σ = 10103812. Its totient is φ = 9830592.

The previous prime is 9967189. The next prime is 9967249. The reversal of 9967201 is 1027699.

9967201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1027699 = 439 ⋅2341.

It can be written as a sum of positive squares in 2 ways, for example, as 6507601 + 3459600 = 2551^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 9967201 - 2⁵ = 9967169 is a prime.

It is a Duffinian number.

9967201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9967261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68196 + ... + 68341.

It is an arithmetic number, because the mean of its divisors is an integer number (2525953).

Almost surely, 2^9967201 is an apocalyptic number.

It is an amenable number.

9967201 is a deficient number, since it is larger than the sum of its proper divisors (136611).

9967201 is a wasteful number, since it uses less digits than its factorization.

9967201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136610.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 9967201 is about 3157.0874235599. The cubic root of 9967201 is about 215.2076666676.

The spelling of 9967201 in words is "nine million, nine hundred sixty-seven thousand, two hundred one".