9806945 has 8 divisors (see below), whose sum is σ = 12387840. Its totient is φ = 7432560.

The previous prime is 9806917. The next prime is 9806957. The reversal of 9806945 is 5496089.

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

It is not a de Polignac number, because 9806945 - 2⁸ = 9806689 is a prime.

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, 51521 + ... + 51710.

It is an arithmetic number, because the mean of its divisors is an integer number (1548480).

Almost surely, 2^9806945 is an apocalyptic number.

9806945 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9806945 is a deficient number, since it is larger than the sum of its proper divisors (2580895).

9806945 is a wasteful number, since it uses less digits than its factorization.

9806945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103255.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 9806945 is about 3131.6042214814. The cubic root of 9806945 is about 214.0480356256.

The spelling of 9806945 in words is "nine million, eight hundred six thousand, nine hundred forty-five".