9867145 has 8 divisors (see below), whose sum is σ = 12222720. Its totient is φ = 7638960.

The previous prime is 9867119. The next prime is 9867149. The reversal of 9867145 is 5417689.

9867145 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 is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9867145 - 2¹⁹ = 9342857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9867098 and 9867107.

It is not an unprimeable number, because it can be changed into a prime (9867149) 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, 31675 + ... + 31984.

It is an arithmetic number, because the mean of its divisors is an integer number (1527840).

Almost surely, 2^9867145 is an apocalyptic number.

It is an amenable number.

9867145 is a deficient number, since it is larger than the sum of its proper divisors (2355575).

9867145 is a wasteful number, since it uses less digits than its factorization.

9867145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63695.

The product of its digits is 60480, while the sum is 40.

The square root of 9867145 is about 3141.2012033615. The cubic root of 9867145 is about 214.4851209426.

The spelling of 9867145 in words is "nine million, eight hundred sixty-seven thousand, one hundred forty-five".