1007866 has 8 divisors (see below), whose sum is σ = 1564020. Its totient is φ = 486528.

The previous prime is 1007861. The next prime is 1007873. The reversal of 1007866 is 6687001.

It can be written as a sum of positive squares in 2 ways, for example, as 942841 + 65025 = 971^2 + 255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1007861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8631 + ... + 8746.

2^1007866 is an apocalyptic number.

1007866 is a deficient number, since it is larger than the sum of its proper divisors (556154).

1007866 is a wasteful number, since it uses less digits than its factorization.

1007866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17408.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1007866 is about 1003.9252960256. The cubic root of 1007866 is about 100.2615155003.

The spelling of 1007866 in words is "one million, seven thousand, eight hundred sixty-six".