906786 has 12 divisors (see below), whose sum is σ = 1964742. Its totient is φ = 302256.

The previous prime is 906779. The next prime is 906793. The reversal of 906786 is 687609.

906786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (906779) and next prime (906793).

It can be written as a sum of positive squares in only one way, i.e., 690561 + 216225 = 831^2 + 465^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 906786.

It is an unprimeable number.

906786 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25171 + ... + 25206.

2⁹⁰⁶⁷⁸⁶ is an apocalyptic number.

906786 is an abundant number, since it is smaller than the sum of its proper divisors (1057956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

906786 is a wasteful number, since it uses less digits than its factorization.

906786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385 (or 50382 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 906786 is about 952.2531176111. The cubic root of 906786 is about 96.7909907832.

The spelling of 906786 in words is "nine hundred six thousand, seven hundred eighty-six".