9856745 has 4 divisors (see below), whose sum is σ = 11828100. Its totient is φ = 7885392.

The previous prime is 9856741. The next prime is 9856757. The reversal of 9856745 is 5476589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5476589 = 83 ⋅65983.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 5480281 = 2092^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 9856745 - 2² = 9856741 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9856696 and 9856705.

It is not an unprimeable number, because it can be changed into a prime (9856741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985670 + ... + 985679.

It is an arithmetic number, because the mean of its divisors is an integer number (2957025).

Almost surely, 2^9856745 is an apocalyptic number.

It is an amenable number.

9856745 is a deficient number, since it is larger than the sum of its proper divisors (1971355).

9856745 is a wasteful number, since it uses less digits than its factorization.

9856745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971354.

The product of its digits is 302400, while the sum is 44.

The square root of 9856745 is about 3139.5453492504. The cubic root of 9856745 is about 214.4097384680.

It can be divided in two parts, 9856 and 745, that added together give a palindrome (10601).

The spelling of 9856745 in words is "nine million, eight hundred fifty-six thousand, seven hundred forty-five".