906845 has 8 divisors (see below), whose sum is σ = 1104864. Its totient is φ = 714384.

The previous prime is 906839. The next prime is 906847. The reversal of 906845 is 548609.

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 906845 - 2⁸ = 906589 is a prime.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (138108).

2⁹⁰⁶⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

906845 is a deficient number, since it is larger than the sum of its proper divisors (198019).

906845 is a wasteful number, since it uses less digits than its factorization.

906845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 906845 is about 952.2840962654. The cubic root of 906845 is about 96.7930899719.

The spelling of 906845 in words is "nine hundred six thousand, eight hundred forty-five".