9876545 has 16 divisors (see below), whose sum is σ = 14135040. Its totient is φ = 6477504.

The previous prime is 9876527. The next prime is 9876553. The reversal of 9876545 is 5456789.

9876545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a cyclic number.

It is not a de Polignac number, because 9876545 - 2⁸ = 9876289 is a prime.

It is a super-2 number, since 2×9876545² = 195092282274050, which contains 22 as substring.

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 = 9876496 and 9876505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5330 + ... + 6939.

It is an arithmetic number, because the mean of its divisors is an integer number (883440).

Almost surely, 2^9876545 is an apocalyptic number.

It is an amenable number.

9876545 is a deficient number, since it is larger than the sum of its proper divisors (4258495).

9876545 is a wasteful number, since it uses less digits than its factorization.

9876545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12304.

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

The square root of 9876545 is about 3142.6970900804. The cubic root of 9876545 is about 214.5532095416.

The spelling of 9876545 in words is "nine million, eight hundred seventy-six thousand, five hundred forty-five".