9876945 has 16 divisors (see below), whose sum is σ = 17019072. Its totient is φ = 4862400.

The previous prime is 9876943. The next prime is 9876947. The reversal of 9876945 is 5496789.

9876945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9876943) and next prime (9876947).

It is not a de Polignac number, because 9876945 - 2¹ = 9876943 is a prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9876894 and 9876903.

It is not an unprimeable number, because it can be changed into a prime (9876943) 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 15 ways as a sum of consecutive naturals, for example, 25131 + ... + 25520.

It is an arithmetic number, because the mean of its divisors is an integer number (1063692).

Almost surely, 2^9876945 is an apocalyptic number.

It is an amenable number.

9876945 is a deficient number, since it is larger than the sum of its proper divisors (7142127).

9876945 is a wasteful number, since it uses less digits than its factorization.

9876945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50672.

The product of its digits is 544320, while the sum is 48.

The square root of 9876945 is about 3142.7607290406. The cubic root of 9876945 is about 214.5561059703.

The spelling of 9876945 in words is "nine million, eight hundred seventy-six thousand, nine hundred forty-five".