9901793 has 24 divisors (see below), whose sum is σ = 11810400. Its totient is φ = 8268480.

The previous prime is 9901783. The next prime is 9901807. The reversal of 9901793 is 3971099.

It is a happy number.

9901793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9901793 - 2⁴ = 9901777 is a prime.

It is a super-2 number, since 2×9901793² = 196091009229698, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9901763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135605 + ... + 135677.

It is an arithmetic number, because the mean of its divisors is an integer number (492100).

Almost surely, 2^9901793 is an apocalyptic number.

It is an amenable number.

9901793 is a deficient number, since it is larger than the sum of its proper divisors (1908607).

9901793 is a wasteful number, since it uses less digits than its factorization.

9901793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 9901793 is about 3146.7114580145. The cubic root of 9901793 is about 214.7358790214.

The spelling of 9901793 in words is "nine million, nine hundred one thousand, seven hundred ninety-three".