9885945 has 8 divisors (see below), whose sum is σ = 15817536. Its totient is φ = 5272496.

The previous prime is 9885913. The next prime is 9885979. The reversal of 9885945 is 5495889.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9885945 - 2⁵ = 9885913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9885894 and 9885903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329517 + ... + 329546.

It is an arithmetic number, because the mean of its divisors is an integer number (1977192).

Almost surely, 2^9885945 is an apocalyptic number.

It is an amenable number.

9885945 is a deficient number, since it is larger than the sum of its proper divisors (5931591).

9885945 is a wasteful number, since it uses less digits than its factorization.

9885945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659071.

The product of its digits is 518400, while the sum is 48.

The square root of 9885945 is about 3144.1922651136. The cubic root of 9885945 is about 214.6212549522.

The spelling of 9885945 in words is "nine million, eight hundred eighty-five thousand, nine hundred forty-five".