9887355 has 48 divisors (see below), whose sum is σ = 18398016. Its totient is φ = 4899840.

The previous prime is 9887333. The next prime is 9887359. The reversal of 9887355 is 5537889.

It is not a de Polignac number, because 9887355 - 2⁵ = 9887323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9887355.

It is not an unprimeable number, because it can be changed into a prime (9887359) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42319 + ... + 42551.

It is an arithmetic number, because the mean of its divisors is an integer number (383292).

Almost surely, 2^9887355 is an apocalyptic number.

9887355 is a deficient number, since it is larger than the sum of its proper divisors (8510661).

9887355 is a wasteful number, since it uses less digits than its factorization.

9887355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 305 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 9887355 is about 3144.4164800484. The cubic root of 9887355 is about 214.6314580430.

It can be divided in two parts, 9 and 887355, that added together give a square (887364 = 942²).

The spelling of 9887355 in words is "nine million, eight hundred eighty-seven thousand, three hundred fifty-five".