9888741 has 12 divisors (see below), whose sum is σ = 14360268. Its totient is φ = 6557184.

The previous prime is 9888733. The next prime is 9888751. The reversal of 9888741 is 1478889.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 8122500 = 1329^2 + 2850^2 .

It is not a de Polignac number, because 9888741 - 2³ = 9888733 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110 + ... + 4583.

It is an arithmetic number, because the mean of its divisors is an integer number (1196689).

Almost surely, 2^9888741 is an apocalyptic number.

It is an amenable number.

9888741 is a deficient number, since it is larger than the sum of its proper divisors (4471527).

9888741 is a wasteful number, since it uses less digits than its factorization.

9888741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892 (or 5889 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 9888741 is about 3144.6368629780. The cubic root of 9888741 is about 214.6414865188.

The spelling of 9888741 in words is "nine million, eight hundred eighty-eight thousand, seven hundred forty-one".