906844 has 12 divisors (see below), whose sum is σ = 1656144. Its totient is φ = 433664.

The previous prime is 906839. The next prime is 906847. The reversal of 906844 is 448609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906847) 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, 4837 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (138012).

2⁹⁰⁶⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

906844 is a deficient number, since it is larger than the sum of its proper divisors (749300).

906844 is a wasteful number, since it uses less digits than its factorization.

906844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884 (or 9882 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 906844 is about 952.2835712119. The cubic root of 906844 is about 96.7930543932.

The spelling of 906844 in words is "nine hundred six thousand, eight hundred forty-four".