8007861 has 8 divisors (see below), whose sum is σ = 10717920. Its totient is φ = 5318192.

The previous prime is 8007859. The next prime is 8007869. The reversal of 8007861 is 1687008.

8007861 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 8007861 - 2¹ = 8007859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8007869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4155 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (1339740).

Almost surely, 2^8007861 is an apocalyptic number.

It is an amenable number.

8007861 is a deficient number, since it is larger than the sum of its proper divisors (2710059).

8007861 is a wasteful number, since it uses less digits than its factorization.

8007861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10195.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 8007861 is about 2829.8164251414. The cubic root of 8007861 is about 200.0654868883.

The spelling of 8007861 in words is "eight million, seven thousand, eight hundred sixty-one".