9903601 has 8 divisors (see below), whose sum is σ = 10289664. Its totient is φ = 9521760.

The previous prime is 9903589. The next prime is 9903623. The reversal of 9903601 is 1063099.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9903601 - 2⁷ = 9903473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9903601.

It is not an unprimeable number, because it can be changed into a prime (9903671) 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, 4221 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (1286208).

Almost surely, 2^9903601 is an apocalyptic number.

It is an amenable number.

9903601 is a deficient number, since it is larger than the sum of its proper divisors (386063).

9903601 is a wasteful number, since it uses less digits than its factorization.

9903601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 9903601 is about 3146.9987289479. The cubic root of 9903601 is about 214.7489479959.

The spelling of 9903601 in words is "nine million, nine hundred three thousand, six hundred one".