9903201 has 32 divisors (see below), whose sum is σ = 16862208. Its totient is φ = 5019840.

The previous prime is 9903193. The next prime is 9903211. The reversal of 9903201 is 1023099.

It is a happy number.

It is not a de Polignac number, because 9903201 - 2³ = 9903193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9903211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9435 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (526944).

Almost surely, 2^9903201 is an apocalyptic number.

It is an amenable number.

9903201 is a deficient number, since it is larger than the sum of its proper divisors (6959007).

9903201 is a wasteful number, since it uses less digits than its factorization.

9903201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 9903201 is about 3146.9351756908. The cubic root of 9903201 is about 214.7460567669.

The spelling of 9903201 in words is "nine million, nine hundred three thousand, two hundred one".