9901773 has 18 divisors (see below), whose sum is σ = 16638414. Its totient is φ = 5657904.

The previous prime is 9901763. The next prime is 9901777. The reversal of 9901773 is 3771099.

It can be written as a sum of positive squares in only one way, i.e., 6563844 + 3337929 = 2562^2 + 1827^2 .

It is not a de Polignac number, because 9901773 - 2⁶ = 9901709 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901777) 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 17 ways as a sum of consecutive naturals, for example, 10786 + ... + 11667.

Almost surely, 2^9901773 is an apocalyptic number.

It is an amenable number.

9901773 is a deficient number, since it is larger than the sum of its proper divisors (6736641).

9901773 is a wasteful number, since it uses less digits than its factorization.

9901773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22473 (or 22463 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 9901773 is about 3146.7082800921. The cubic root of 9901773 is about 214.7357344442.

The spelling of 9901773 in words is "nine million, nine hundred one thousand, seven hundred seventy-three".