906866 has 8 divisors (see below), whose sum is σ = 1368684. Its totient is φ = 450640.

The previous prime is 906847. The next prime is 906869. The reversal of 906866 is 668609.

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 148225 = 871^2 + 385^2 .

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 (906869) 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, 965 + ... + 1656.

2⁹⁰⁶⁸⁶⁶ is an apocalyptic number.

906866 is a deficient number, since it is larger than the sum of its proper divisors (461818).

906866 is a wasteful number, since it uses less digits than its factorization.

906866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 906866 is about 952.2951223229. The cubic root of 906866 is about 96.7938371187.

The spelling of 906866 in words is "nine hundred six thousand, eight hundred sixty-six".