9886145 has 8 divisors (see below), whose sum is σ = 11891880. Its totient is φ = 7889920.

The previous prime is 9886127. The next prime is 9886147. The reversal of 9886145 is 5416889.

9886145 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2274064 + 7612081 = 1508^2 + 2759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9886145 - 2¹⁸ = 9624001 is a prime.

It is a super-2 number, since 2×9886145² = 195471725922050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9886147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 4449.

It is an arithmetic number, because the mean of its divisors is an integer number (1486485).

Almost surely, 2^9886145 is an apocalyptic number.

It is an amenable number.

9886145 is a deficient number, since it is larger than the sum of its proper divisors (2005735).

9886145 is a wasteful number, since it uses less digits than its factorization.

9886145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755.

The product of its digits is 69120, while the sum is 41.

The square root of 9886145 is about 3144.2240696235. The cubic root of 9886145 is about 214.6227022581.

The spelling of 9886145 in words is "nine million, eight hundred eighty-six thousand, one hundred forty-five".