8745861 has 8 divisors (see below), whose sum is σ = 11764800. Its totient is φ = 5778752.

The previous prime is 8745857. The next prime is 8745881. The reversal of 8745861 is 1685478.

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 8745861 - 2² = 8745857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8745881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12561 + ... + 13238.

It is an arithmetic number, because the mean of its divisors is an integer number (1470600).

Almost surely, 2^8745861 is an apocalyptic number.

It is an amenable number.

8745861 is a deficient number, since it is larger than the sum of its proper divisors (3018939).

8745861 is a wasteful number, since it uses less digits than its factorization.

8745861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25915.

The product of its digits is 53760, while the sum is 39.

The square root of 8745861 is about 2957.3401901033. The cubic root of 8745861 is about 206.0317684377.

The spelling of 8745861 in words is "eight million, seven hundred forty-five thousand, eight hundred sixty-one".