9901493 has 16 divisors (see below), whose sum is σ = 11821056. Its totient is φ = 8115120.

The previous prime is 9901457. The next prime is 9901543. The reversal of 9901493 is 3941099.

It is a cyclic number.

It is not a de Polignac number, because 9901493 - 2¹⁰ = 9900469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22130 + ... + 22572.

It is an arithmetic number, because the mean of its divisors is an integer number (738816).

Almost surely, 2^9901493 is an apocalyptic number.

It is an amenable number.

9901493 is a deficient number, since it is larger than the sum of its proper divisors (1919563).

9901493 is a wasteful number, since it uses less digits than its factorization.

9901493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 9901493 is about 3146.6637888405. The cubic root of 9901493 is about 214.7337103430.

The spelling of 9901493 in words is "nine million, nine hundred one thousand, four hundred ninety-three".