9938655 has 12 divisors (see below), whose sum is σ = 17227080. Its totient is φ = 5300592.

The previous prime is 9938647. The next prime is 9938701. The reversal of 9938655 is 5568399.

It is not a de Polignac number, because 9938655 - 2³ = 9938647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 220859 = 9938655 / (9 + 9 + 3 + 8 + 6 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 9938655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110385 + ... + 110474.

It is an arithmetic number, because the mean of its divisors is an integer number (1435590).

Almost surely, 2^9938655 is an apocalyptic number.

9938655 is a deficient number, since it is larger than the sum of its proper divisors (7288425).

9938655 is a wasteful number, since it uses less digits than its factorization.

9938655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220870 (or 220867 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 9938655 is about 3152.5632428232. The cubic root of 9938655 is about 215.0020190905.

The spelling of 9938655 in words is "nine million, nine hundred thirty-eight thousand, six hundred fifty-five".